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Deepak C. Sekar, San Jose US

Deepak C. Sekar, San Jose, CA US

Patent application numberDescriptionPublished
20100289064METHOD FOR FABRICATION OF A SEMICONDUCTOR DEVICE AND STRUCTURE - A semiconductor device comprising: a first single crystal silicon layer comprising first transistors, first alignment marks, and at least one metal layer overlying the first single crystal silicon layer, wherein the at least one metal layer comprises copper or aluminum more than other materials; and a second single crystal silicon layer overlying the at least one metal layers; wherein the second single crystal silicon layer comprises a plurality of second transistors arranged in substantially parallel bands wherein each of a plurality of the bands comprises a portion of the second transistors along an axis in a repeating pattern.11-18-2010
20100291749METHOD FOR FABRICATION OF A SEMICONDUCTOR DEVICE AND STRUCTURE - A method of manufacturing a semiconductor wafer, the method comprising: providing a base wafer comprising a semiconductor substrate, metal layers and first alignment marks; transferring a monocrystalline layer on top of said metal layers, wherein said monocrystalline layer comprises second alignment marks; and performing a lithography using an alignment based on a misalignment between said first alignment marks and said second alignment marks.11-18-2010
20100295136METHOD FOR FABRICATION OF A SEMICONDUCTOR DEVICE AND STRUCTURE - A method for fabrication of 3D semiconductor devices utilizing a layer transfer and steps for forming transistors on top of a pre-fabricated semiconductor device comprising transistors formed on crystallized semiconductor base layer and metal layer for the transistors interconnections and insulation layer. The advantage of this approach is reduction of the over all metal length used to interconnect the various transistors.11-25-2010
20110049577SYSTEM COMPRISING A SEMICONDUCTOR DEVICE AND STRUCTURE - A system includes a semiconductor device. The semiconductor device includes a first single crystal silicon layer comprising first transistors, first alignment marks, and at least one metal layer overlying the first single crystal silicon layer, wherein the at least one metal layer comprises copper or aluminum more than other materials; and a second single crystal silicon layer overlying the at least one metal layer. The second single crystal silicon layer comprises a plurality of second transistors arranged in substantially parallel bands. Each of a plurality of the bands comprises a portion of the second transistors along an axis in a repeating pattern.03-03-2011
20110084314SYSTEM COMPRISING A SEMICONDUCTOR DEVICE AND STRUCTURE - A system includes a semiconductor device. The semiconductor device includes a first single crystal silicon layer comprising first transistors, first alignment marks, and at least one metal layer overlying the first single crystal silicon layer, wherein the at least one metal layer comprises copper or aluminum more than other materials; and a second single crystal silicon layer overlying the at least one metal layer. The second single crystal silicon layer comprises a plurality of second transistors arranged in substantially parallel bands. Each of a plurality of the bands comprises a portion of the second transistors along an axis in a repeating pattern.04-14-2011
20110092030SYSTEM COMPRISING A SEMICONDUCTOR DEVICE AND STRUCTURE - A semiconductor device includes a first mono-crystallized layer including first transistors, and a first metal layer forming at least a portion of connections between the first transistors; and a second layer including second transistors, the second transistors including mono-crystalline material, the second layer overlying the first metal layer, wherein the first metal layer includes aluminum or copper, and wherein the second layer is less than one micron in thickness and includes logic cells.04-21-2011
20110108888SYSTEM COMPRISING A SEMICONDUCTOR DEVICE AND STRUCTURE - A semiconductor device includes a first mono-crystallized layer including first transistors, and a first metal layer forming at least a portion of connections between the first transistors; and a second layer including second transistors, the second transistors including mono-crystalline material, the second layer overlying the first metal layer, wherein the first metal layer includes aluminum or copper, and wherein the second layer is less than one micron in thickness and includes logic cells.05-12-2011
20110121366SYSTEM COMPRISING A SEMICONDUCTOR DEVICE AND STRUCTURE - A semiconductor device includes a first single crystal silicon layer including first transistors, a first alignment mark, and at least one metal layer overlying the first single crystal silicon layer for interconnecting the first transistors; a second layer overlying the at least one metal layer, wherein the second layer includes a plurality of second transistors; and a connection path connecting the first transistors and the second transistors and including at least a first strip, a second strip, and a through via connecting the first strip and the second strip, wherein the second strip is substantially orthogonal to the first strip and wherein the through via is substantially away from both ends of the first strip and both ends of the second strip.05-26-2011