Electrical device and method for making same
DC CAFCFirst Claim
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1. A process of making an electrical device, the process including:
- removing a portion of a dielectric material in producing cavities in a surface of a remaining portion of the dielectric material; and
building up a conductive layer in the cavities in forming teeth set in and under the surface and in forming a portion of circuitry of an electrical device, wherein a plurality of the cavities are obtuse with respect to the top surface, and a plurality of the cavities are at least 1 tenth of a mil deep and less than 1.75 tenths of a mil deep, andwherein at least one of the cavities includes an upgrade slope with respect to the surface of the remaining portion of the dielectric material, and one of the teeth engages the remaining portion of the dielectric material at the slope.
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Abstract
A multilayer electrical device, such as a printed circuit board, having a tooth structure including a metal layer set in a dielectric. The device includes a base; a conductive layer adjacent to the base; a dielectric material adjacent to conductive layer; a tooth structure including a metal layer set in the dielectric material to join the dielectric material to the metal layer; and wherein the metal layer forms a portion of circuitry in a circuit board having multiple layers of circuitry.
6 Citations
162 Claims
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1. A process of making an electrical device, the process including:
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removing a portion of a dielectric material in producing cavities in a surface of a remaining portion of the dielectric material; and building up a conductive layer in the cavities in forming teeth set in and under the surface and in forming a portion of circuitry of an electrical device, wherein a plurality of the cavities are obtuse with respect to the top surface, and a plurality of the cavities are at least 1 tenth of a mil deep and less than 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the remaining portion of the dielectric material, and one of the teeth engages the remaining portion of the dielectric material at the slope. - View Dependent Claims (2, 3, 4, 5, 6, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82)
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7. A process of making an electrical device, the process including:
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producing, from a dielectric material, a surface including cavities remaining from removing a portion of the dielectric material; and building up a conductive layer in the cavities in forming substantially angular teeth set in a remaining portion of the dielectric material and in forming a portion of circuitry of an electrical device, and wherein a sample of the circuitry has at least 20% of the teeth being at least 1 tenth of a mil deep and less than 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface and one of the teeth engages the remaining portion of the dielectric material at the slope. - View Dependent Claims (8, 9, 10, 11)
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12. A process of making an electrical device, the process including:
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building up a conductive layer of material on a surface of a layer of dielectric material, the layers joined in a saw-tooth manner made of both materials in an interlocking bite in forming a portion of circuitry of an electrical device, the conductive layer forming teeth such that a sample of the circuitry has a frequency of the teeth sufficient to provide at least 5,000 of the teeth per linear inch, the teeth set respectively in cavities of the bite, and the sample of the circuitry has at least 20% of the teeth being at least 1 tenth of a mil deep and less than 2 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A process of making an electrical device, the process including:
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building up a conductive layer in filling undercuttings with respect to a surface of a dielectric material so as to form a plurality of teeth in cavities, some of the teeth being obtuse to the surface and in the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, in forming a portion of circuitry of an electrical device, wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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19. A process of making an electrical device, the process including:
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producing a surface with cavities remaining after removing portion of a dielectric material sufficient to produce a surface with a surface gloss measurement at an angle of 60 degrees of less than 10%; and building up a conductive layer in the cavities in forming electrical device circuitry, wherein the cavities are obtusoly angled and the building up the conductive layer includes forming teeth in the cavities and in the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (20, 21, 22)
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23. A process of making an electrical device, the process including:
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forming electrical device circuitry with teeth produced by building up a conductive layer in cavities of a dielectric material that has an exterior surface and a dielectric surface area greater than a dielectric surface area that would be produced by a single pass roughening, wherein a sample of the circuitry has at least 20% of the teeth that are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the exterior surface, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (24, 25, 26)
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27. A process of making an electrical device, the process including:
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combining a dielectric material with a conductive layer in forming a portion of circuitry of an electrical device, said combining being carried out with means for joining the conductive layer to the dielectric material, the means including teeth built up on the dielectric material and angled sufficiently to mechanically grip the dielectric material in three dimensions, wherein a plurality of the teeth are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the teeth is in one of a plurality of cavities that includes an upgrade slope with respect to an etched surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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28. A process of making an electrical device, the process including:
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combining a dielectric material with means for joining a conductive layer built up on the dielectric material sufficient to produce a peel strength greater than a peel strength that would be produced by a single desmear process, the conductive layer forming a portion of circuitry, wherein the combining is carried out with the means for joining comprised of teeth, a plurality of the teeth being obtuse to a top surface of the dielectric material and within cavities in the range of at least 1 tenth of a mil deep to 1.75 of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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29. A process of making an electrical device, the process including:
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forming electrical device circuitry by building up a conductive layer on a surface of dielectric material so as to produce a peel strength greater than a peel strength that would be produced by a single desmear process, wherein a sample of the circuitry includes at least 20% of teeth that are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of a plurality of cavities, respectively adjacent to the teeth, includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (30, 31)
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32. A process of making an electrical device, the process including:
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producing a surface remaining from removing a portion of a dielectric material; and applying means for mechanically gripping a conductive layer to the surface so that a conductive layer is burrowed in and under the surface, wherein the conductive layer forms a portion of circuitry of an electrical device, wherein the applying is carried out with the means for mechanically gripping comprising teeth, and a plurality of the teeth are within the range of 1 tenth of a mil deep to 2 tenths of a mil deep, and wherein at least one of a plurality of cavities, respectively adjacent to the teeth, includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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33. A process of making an electrical device, the process including:
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forming electrical device circuitry by building up a conductive layer on a dielectric material sufficiently that separation of the conductive layer from the dielectric material would destroy integrity of the conductive layer and of the dielectric material, wherein the building up the conductive layer includes forming teeth that are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of a plurality of cavities, respectively adjacent to the teeth, includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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34. A process of making an electrical device, the process including:
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building up a conductive layer on a dielectric material sufficient to produce a surface gloss measurement at an angle of 60 degrees of less than 10%, in forming circuitry of an electrical device, wherein the building up the conductive layer includes producing teeth within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of a plurality of cavities, respectively adjacent to the teeth, includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (35, 36, 37)
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38. A process of making an electrical device, the process including:
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combining a dielectric material with means for joining a conductive layer built up on a conductive coating on the dielectric material at a dielectric surface contact area greater than a dielectric surface contact area that would be produced by a single pass roughening, the conductive layer forming a portion of circuitry, wherein the combining is carried out with the means for joining comprised of teeth within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of a plurality of cavities, respectively adjacent to the teeth, includes an upgrade slope with respect to an etched surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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39. A process of making an electrical device, the process including:
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combining a dielectric material with means for joining a conductive layer built up on the dielectric material sufficiently that separation of the dielectric material from the conductive layer requires destroying integrity of at least one of the conductive layer and the dielectric material, said means for joining comprising filled cavities that form a portion of circuitry of an electrical device, wherein the filled cavities comprise teeth that are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to an etched surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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83. An electrical device including:
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a dielectric material comprising a surface with cavities remaining from removal of a portion of the dielectric material; a conductive layer built up on the dielectric material so as to fill the cavities and form teeth set in and under the surface of the dielectric material; and
wherein;the conductive layer is a portion of circuitry of an electrical device, and a plurality of the cavities are obtuse with respect to the top surface and are at least 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (84, 85, 86, 87, 88)
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89. An electrical device including:
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a dielectric material comprising a surface with cavities remaining after removal of some of the dielectric material; a conductive layer built up on the dielectric material so as to fill the cavities and form substantially angular teeth set in the dielectric material; and
whereinthe conductive layer is a portion of circuitry of an electrical device, and a plurality of the teeth being are at least 1 tenth of a mil deep and less than 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (90, 91, 92, 93)
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94. An electrical device including:
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a conductive layer of material built up on a surface of a layer of a dielectric material, the layers joined in a saw-tooth manner made of both materials in an interlocking bite;
whereinthe conductive layer is a portion of circuitry of an electrical device, the conductive layer is comprised of teeth such that a sample of the circuitry has a frequency of the teeth sufficient to provide at least 5,000 of the teeth per linear inch, the teeth the teeth set respectively in cavities of the bite and a plurality of the teeth are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (95, 96, 97, 98, 99)
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100. An electrical device including:
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a conductive layer built up so as to fill undercuttings with respect to a surface of a dielectric material so as to form teeth in cavities, a plurality of the undercuttings being obtuse to the surface, wherein the conductive layer is a portion of circuitry of an electrical device, and a plurality of the teeth are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162)
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101. An electrical device including:
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a dielectric material surface with cavities sufficient to produce a surface gloss measurement at an angle of 60 degrees of less than 10%; and electrical device circuitry comprised of a conductive layer built up so as to fill in the cavities and form teeth, wherein a plurality of the cavities are obtusely angled with respect to the surface, and a plurality of the teeth are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (102, 103, 104)
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105. An electrical device including:
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a dielectric material; and electrical device circuitry comprising a conductive layer built up on the dielectric material at a dielectric surface having an area greater than a dielectric surface area that would be produced by a single pass roughening; and
whereinthe conductive layer is comprised of plurality of the teeth within cavities that are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (106, 107, 108)
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109. An electrical device including:
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a dielectric material comprising a surface; a conductive layer forming a portion of circuitry of an electrical device; and means for joining the conductive layer to the dielectric material, the means including a structuring of teeth built up on the dielectric material and comprised of the conductive layer and angled sufficiently for mechanically gripping the dielectric material in three dimensions, wherein a plurality of the teeth are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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110. An electrical device including:
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a dielectric material comprising a surface; and means for joining a conductive layer built up on the dielectric material so as to produce a peel strength greater than a peel strength that would be produced by a single desmear process, wherein the conductive layer is a portion of circuitry, and portions of the conductive layer are in cavities obtuse to a top surface of the dielectric material, wherein the means for joining is comprised of teeth, and a plurality of the teeth that are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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111. An electrical device including:
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a dielectric material; and electrical device circuitry comprising a conductive layer built up on a surface of the dielectric material so as to produce teeth set in cavities and a peel strength greater than a peel strength that would be produced by a single desmear process; and
whereinplurality of the teeth that are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (112, 113)
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114. An electrical device including:
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a dielectric material having a surface remaining from removal of a portion of the dielectric material; and means for mechanically gripping a conductive layer to the surface of the dielectric material so that the conductive layer is burrowed in and under the top surface of the dielectric material, wherein the conductive layer forms a portion of circuitry of an electrical device, wherein the means for mechanically gripping is comprised of teeth, and a plurality of the teeth are within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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115. An electrical device including:
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a dielectric material; and electrical device circuitry comprising a conductive layer built up on the dielectric material sufficiently that separation of the conductive layer from the dielectric material would require destroying integrity of the conductive layer and of the dielectric material, wherein the conductive layer is comprised of teeth in cavities, a plurality of the teeth being within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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116. An electrical device including:
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a dielectric material having a surface with a gloss sifficient for surface gloss measurement at an angle of 60 degrees of less than 10%; and circuitry of an electrical device comprised of a conductive layer on the dielectric material, wherein the conductive layer is comprised of teeth in cavities, a plurality of the teeth being within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope. - View Dependent Claims (117, 118, 119)
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120. An electrical device including:
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a dielectric material having a surface; and means for joining a conductive layer built up on the dielectric material at a surface having a contact area greater than a dielectric surface contact area that would be produced by a single pass roughening, wherein the conductive layer is a portion of circuitry of an electrical device, wherein the conductive layer is comprised of teeth in cavities, a plurality of the teeth being within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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121. An electrical device including:
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a dielectric materialincluding a surface; and means for joining a conductive layer built up on the dielectric material sufficiently that separation of the conductive layer from the dielectric material requires destroying integrity of at least one of the conductive layer and the dielectric material, said means for joining comprising filled cavities that form a portion of circuitry of the electrical device comprised of teeth, a plurality of the teeth being within the range of 1 tenth of a mil deep to 1.75 tenths of a mil deep, and wherein at least one of the cavities includes an upgrade slope with respect to the surface of the dielectric material, and one of the teeth engages a portion of the dielectric material at the slope.
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Specification