J. S. Lai

Follow

Person

Kaohsiung Hsien, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Retainer ring for polishing head of chemical-mechanical polish mach...
- Patent number 5,944,593
- Issue date Aug 31, 1999
- United Microelectronics Corp.
- Daniel Chiu
- B24 - GRINDING POLISHING