Semiconductor device manufacturing: process – Making regenerative-type switching device – Having field effect structure
Reexamination Certificate
2006-07-25
2006-07-25
Wilczewski, M. (Department: 2822)
Semiconductor device manufacturing: process
Making regenerative-type switching device
Having field effect structure
C438S279000, C438S589000
Reexamination Certificate
active
07081378
ABSTRACT:
A method for manufacturing an integrated circuit structure includes providing a semiconductor substrate and forming a trench therein. A thyristor is formed around the trench and within the semiconductor substrate. The thyristor has at least four layers with three P-N junctions therebetween. A gate for the thyristor is formed within the trench. An access transistor is formed on the semiconductor substrate. An interconnect is formed between the thyristor and the access transistor.
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Chan Tze Ho Simon
Li Weining
Yelehanka Pradeep Ramachandramurthy
Zheng Jia Zhen
Chartered Semiconductor Manufacturing Ltd.
Ishimaru Mikio
Wilczewski M.
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