chen ching horng
Patent Applications and Registrations
Patent applications and USPTO patent grants for chen ching horng.The latest application filed is for "metal etching with in situ plasma ashing".
- - Hsinchu County TW
- CHEN; Ching-Horng - Hsin-Chu TW
| Patent | Date |
|---|---|
| Semiconductor Processing Apparatus For Generating Plasma App 20210066054A1 - | 2021-03-04 |
| Metal Etching With In Situ Plasma Ashing App 20200176269 - WANG; Hsing-Hsiang ; et al. | 2020-06-04 |
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