Invention Grant
US09107302B2 Dummy structure for visual aid in printed wiring board etch inspection
有权
用于印刷线路板蚀刻检查的视觉辅助的虚拟结构
- Patent Title: Dummy structure for visual aid in printed wiring board etch inspection
- Patent Title (中): 用于印刷线路板蚀刻检查的视觉辅助的虚拟结构
-
Application No.: US13765268Application Date: 2013-02-12
-
Publication No.: US09107302B2Publication Date: 2015-08-11
- Inventor: William L. Cagle , Jeremy B. Baldwin
- Applicant: Raytheon Company
- Applicant Address: US MA Waltham
- Assignee: RAYTHEON COMPANY
- Current Assignee: RAYTHEON COMPANY
- Current Assignee Address: US MA Waltham
- Agency: Cantor Colburn LLP
- Main IPC: H05K1/00
- IPC: H05K1/00 ; H01B13/00 ; H05K1/02 ; H05K3/06
Abstract:
A dummy structure for a printed wiring board (PWB) includes a unit shape defined on the PWB, the unit shape configured to, based on a visual inspection thereof, provide an indication of one of: etching of a PWB circuit element within a desired tolerance range, over etching of the PWB circuit element, or under etching of the PWB circuit element.
Public/Granted literature
- US20140224525A1 DUMMY STRUCTURE FOR VISUAL AID IN PRINTED WIRING BOARD ETCH INSPECTION Public/Granted day:2014-08-14
Information query
