SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME AND SEMICONDUCTOR DEVICE MOUNTING STRUCTURE
First Claim
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1. A semiconductor device comprising:
- two semiconductor elements, each having a device layer, the two semiconductor elements being jointed together to oppose the respective device layers to each other, at least one of semiconductor elements having an inductor pattern and a bump on a surface of the device layer, the bump connecting electrically the semiconductor elements and supporting and electrically isolating the inductor pattern and the opposedly arranged semiconductor element; and
an electrically insulating material filled in a space between opposing surfaces of the semiconductor elements.
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Abstract
In a semiconductor device that is formed by joining two semiconductor elements together to oppose device layers to each other, inductor patterns for transmitting and receiving a signal and feeding a power and bumps for connecting electrically the semiconductor elements and for supporting the inductor patterns and the semiconductor elements being arranged opposedly in an electrically isolated state are provided on a surface of the device layer of at least one of semiconductor elements and an electrically insulating material is filled in a space between opposing surfaces of the semiconductor elements.
28 Citations
16 Claims
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1. A semiconductor device comprising:
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two semiconductor elements, each having a device layer, the two semiconductor elements being jointed together to oppose the respective device layers to each other, at least one of semiconductor elements having an inductor pattern and a bump on a surface of the device layer, the bump connecting electrically the semiconductor elements and supporting and electrically isolating the inductor pattern and the opposedly arranged semiconductor element; and an electrically insulating material filled in a space between opposing surfaces of the semiconductor elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 13, 14, 15, 16)
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8. A method of manufacturing a semiconductor device, comprising:
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a step of forming an inductor pattern on a surface of a device layer formed on a semiconductor wafer; a step of forming a bump on the surface of the device layer formed on the semiconductor wafer; a step of arranging two semiconductor wafers, on each of which the inductor pattern and the bump are formed, to oppose respective device layers to each other, and joining the bumps together; a step of filling an electrically insulating material into a space between opposing surfaces of two semiconductor wafers being joined via the bumps to form a jointed body; and a step of forming individual semiconductor devices, by dicing the joined body into individual pieces. - View Dependent Claims (9, 10)
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11. A method of manufacturing a semiconductor device, comprising:
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a step of forming an inductor pattern on a surface of a device layer formed on a semiconductor wafer; a step of forming a gold bump on the surface of the device layer formed on the semiconductor wafer; a step of interposing an anisotropic conductive resin between opposing surfaces of two semiconductor wafers on each of which the inductor pattern and the gold bump are formed, and connecting electrically the opposing gold bumps and filling the anisotropic conductive resin into a space between the opposing surfaces of the two semiconductor wafers by pressing the two semiconductor wafers from both surface sides to form a jointed body; and a step of forming individual semiconductor devices, by dicing the joined body into individual pieces. - View Dependent Claims (12)
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Specification