Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
Reexamination Certificate
2005-04-26
2005-04-26
Eckert, George (Department: 2815)
Semiconductor device manufacturing: process
Making field effect device having pair of active regions...
Having insulated gate
C438S255000, C438S398000, C438S660000
Reexamination Certificate
active
06884674
ABSTRACT:
A semiconductor device has a capacitance insulating film having a perovskite structure represented by the general formula ABO3(where each of A and B is a metal element) and first and second electrodes opposed to each other with the capacitance insulating film interposed therebetween. The capacitance insulating film is formed such that the composition of the metal element A or B is higher in the region thereof adjacent the first electrode than in the other region thereof.
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Ogawa Hisashi
Okuno Yasutoshi
Tsuzumitani Akihiko
Eckert George
McDermott Will & Emery LLP
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