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Edwin K Sum

from Danville, CA
Age ~68

Edwin Sum Phones & Addresses

  • 295 Edinburgh Cir, Danville, CA 94526 (925) 838-1828 (925) 876-1828
  • Fremont, CA
  • Santa Clara, CA
  • Pleasanton, CA
  • 295 Edinburgh Cir, Danville, CA 94526

Work

Position: Executive, Administrative, and Managerial Occupations

Education

Degree: Associate degree or higher

Emails

Business Records

Name / Title
Company / Classification
Phones & Addresses
Edwin Sum
Manager
Clint Stone
Business Services at Non-Commercial Site
1640 Arizona Ave, Milpitas, CA 95035
Edwin Sum
President
EDINBURGH FINANCIAL INC
Investment Advisory Service
295 Edinburgh Cir, Danville, CA 94526

Publications

Us Patents

Methods And Apparatus For Reducing Arcing During Plasma Processing

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US Patent:
20050266174, Dec 1, 2005
Filed:
Jun 1, 2004
Appl. No.:
10/858267
Inventors:
Li Hou - Cupertino CA, US
Qunhua Wang - San Jose CA, US
Edwin Sum - Danville CA, US
John White - Hayward CA, US
International Classification:
C23C016/00
H01L021/00
US Classification:
427569000, 118715000
Abstract:
In a first aspect, a method is provided for use during plasma processing. The first method includes the steps of (1) placing a substrate on a substrate holder of a plasma chamber; (2) positioning a cover frame adjacent and below a perimeter of the substrate; and (3) employing the cover frame to reduce arcing during plasma processing within the plasma chamber. Numerous other aspects are provided.
Edwin K Sum from Danville, CA, age ~68 Get Report