MODULAR DIE AND MASK FOR SEMICONDUCTOR PROCESSING
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Abstract
Modular dies and modular masks for the manufacture of semiconductor devices are described. The modular mask can be used repeatedly to make multiple, substantially-similar modular dies. The modular die contains a substrate with an integrated circuit and a conductive layer containing a source metal and a gate metal connected respectively to the source and gate of the integrated circuit. The gate metal is located in an outer portion of the modular die. The modular die can be made by providing the integrated circuit in first and second portions of the substrate, providing the conductive layer on both first and second portions, making a first modular die by patterning the conductive layer on the first portion using the modular mask, moving the mask to the second portion and using it to make a second modular die by patterning the conductive layer on the second portion. Other embodiments are described.
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Citations
46 Claims
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27. A modular die, comprising:
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a substrate containing an integrated circuit having a source and a gate; and a conductive layer located on the substrate, the conductive layer containing both a source metal and a gate metal that are located only in an outer portion of the modular die, the source metal being connected to the source and the gate metal being connected to the gate;
wherein the gate metal covers about 1 to about 99% of the die. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34)
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35. A semiconductor device, comprising:
a modular die a substrate containing; an integrated circuit having a source and a gate; and a conductive layer located on a front side of the substrate, the conductive layer containing both a source metal and a gate metal that is located only in an outer portion of the modular die, the source metal being connected to the source and the gate metal being connected to the gate, wherein the gate metal covers about 1 to about 99% of the die; and a drain on the backside of the substrate; and a molding material encapsulating the modular die. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42)
- 43. A modular mask configured to manufacture multiple, substantially similar modular dies, wherein the mask is configured to pattern a conductive layer to contain both a source metal and a gate metal that is located only in an outer portion of a first modular die, wherein the gate metal covers about 1 to about 99% of the first modular die.
Specification