Electronic chip package
First Claim
Patent Images
1. A chip package comprising:
- a laminated substrate having at least one conductive layer; and
at least one dielectric layer bonded to the conductive layer, the dielectric layer having a glass transition temperature Tg greater than 200°
C. and a volumetric coefficient of thermal expansion of ≦
75 ppm/°
C.; and
the dielectric layer is a thermoset adhesive having an inorganic filler material disposed therein; and
a semiconductor device electrically attached to the laminated substrate.
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Abstract
An electronic chip package is provided having a laminated substrate. The laminated substrate includes at least one conductive layer and at least one dielectric layer which is bonded to the conductive layer. The dielectric layer has a glass transition temperature Tg greater than 200° C. and a volumetric coefficient of thermal expansion of ≦75 ppm/° C. A semiconductor device is electrically attached to the laminated substrate.
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Citations
12 Claims
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1. A chip package comprising:
-
a laminated substrate having at least one conductive layer; and
at least one dielectric layer bonded to the conductive layer, the dielectric layer having a glass transition temperature Tg greater than 200°
C. and a volumetric coefficient of thermal expansion of ≦
75 ppm/°
C.; and
the dielectric layer is a thermoset adhesive having an inorganic filler material disposed therein; and
a semiconductor device electrically attached to the laminated substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10, 11)
wherein the laminated substrate has a second coefficient of thermal expansion α
2, the second coefficient of thermal expansion α
2 being different from the first coefficient of thermal expansion α
1 by ≦
20 ppm.
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11. The chip package according to claim 1, 8, or 9, wherein the semiconductor device has a first coefficient of thermal expansion α
-
1, and
wherein the laminated substrate has a second coefficient of thermal expansion α
2, wherein the second coefficient of thermal expansion α
2 is nominally 15 ppm different from the first coefficient of thermal expansion α
1.
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1, and
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8. A chip package comprising:
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a laminated substrate having at least one conductive layer and at least one dielectric layer bonded to the conductive layer, wherein the dielectric layer includes a thermoset adhesive having an inorganic filler, and wherein the dielectric layer has a glass transition temperature (Tg) greater than 200°
C. and a volumetric coefficient of thermal expansion of ≦
75 ppm/°
C.; and
a semiconductor device electrically attached to the laminated substrate. - View Dependent Claims (12)
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9. A chip package comprising:
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a laminated substrate having at least one conductive layer and at least one dielectric layer bonded to the conductive layer, wherein the dielectric layer includes a thermoset adhesive, an organic resin and an inorganic filler which is a particulate, and wherein the dielectric layer has a glass transition temperature (Tg) greater than 200°
C.; and
a semiconductor device electrically attached to the laminated substrate.
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Specification