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Patent applications and USPTO patent grants for Cheng; Chih-Hsiung.The latest application filed is for "method of forming a reduced size contact in a dielectric layer by using bird's beak of oxidized polysilicon to create an etching mask".
Patent | Date |
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Method of forming a reduced size contact in a dielectric layer by using bird's beak of oxidized polysilicon to create an etching mask Grant 5,994,216 - Cheng November 30, 1 | 1999-11-30 |
Method for manufacturing a reverse crown capacitor for DRAM memory cell Grant 5,976,981 - Cheng November 2, 1 | 1999-11-02 |
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