QUYNH T TRAN, DO
Osteopathic Medicine at 139 St, Vancouver, WA
License number
Washington OP60725221
Category
Osteopathic Medicine
Type
Internal Medicine
License number
Washington 167907
Category
Osteopathic Medicine
Type
Internal Medicine
Address
Address
2
2211 NE 139Th St, Vancouver, WA 98686
PO Box 2077, Portland, OR 97208
PO Box 2077, Portland, OR 97208
Phone
(503) 374-1864
(360) 487-4709 (Fax)
(503) 413-3900
(503) 413-3710 (Fax)
(360) 487-4709 (Fax)
(503) 413-3900
(503) 413-3710 (Fax)
Personal information
See more information about QUYNH T TRAN at radaris.comName
Address
Phone
4908 140Th St SE, Snohomish, WA 98296
4220 S Kenyon St, Seattle, WA 98118
3258 Sw 153Rd Dr, Beaverton, OR 97006
811 SW 118Th St, Seattle, WA 98146
8226 126Th Ave NE APT A32, Kirkland, WA 98033
Professional information
See more information about QUYNH T TRAN at trustoria.com
Controlled Edge Resistivity In A Silicon Wafer
Controlled Edge Resistivity In A Silicon Wafer
US Patent:
2009021, Aug 27, 2009
Filed:
Dec 23, 2008
Appl. No.:
12/343344
Inventors:
Kevin Lite - Portland OR, US
Quynh Tran - Vancouver WA, US
Quynh Tran - Vancouver WA, US
Assignee:
Siltronic Corporation - Portland OR
International Classification:
B32B 7/02, H01L 21/20
US Classification:
428213, 438478, 257E2109
Abstract:
An epitaxial silicon wafer is provided with a thickness in the area adjacent the edge that is greater or less than the thickness adjacent the center. The wafer may be manufactured by a method wherein one or more process parameters are adjusted during deposition of epitaxial layer to control the edge thickness.