Invention Grant
- Patent Title: Shield film and shield printed wiring board
-
Application No.: US14414514Application Date: 2013-06-05
-
Publication No.: US09888619B2Publication Date: 2018-02-06
- Inventor: Yusuke Haruna , Sirou Yamauchi , Hiroshi Tajima , Kenji Kamino
- Applicant: TATSUTA ELECTRIC WIRE & CABLE CO., LTD.
- Applicant Address: JP Higashiosaka-shi, Osaka
- Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD
- Current Assignee: TATSUTA ELECTRIC WIRE & CABLE CO., LTD
- Current Assignee Address: JP Higashiosaka-shi, Osaka
- Agency: Potomac Law Group, PLLC
- Agent Kenneth Fagin
- Priority: JP2012-157785 20120713
- International Application: PCT/JP2013/065616 WO 20130605
- International Announcement: WO2014/010342 WO 20140116
- Main IPC: H05K9/00
- IPC: H05K9/00 ; H05K1/02 ; B32B7/12 ; B32B15/04 ; B32B15/20

Abstract:
Provided are: a shield film having excellent shield characteristics in the high frequency region of the shield film; and a shield printed wiring board. A shield film (1) is provided on a flexible printed wiring board (8), which has a base film (5) having a signal circuit (6a) formed thereon, and an insulating film (7) that is provided on the whole upper surface of the base film (5) such that the insulating film covers the signal circuit (6a). The shield film 1 has an electroconductive adhesive layer 15 provided throughout a surface of the insulating film 7, and a metal layer 11 provided throughout a surface of the electroconductive adhesive layer 15.
Public/Granted literature
- US20150250080A1 SHIELD FILM AND SHIELD PRINTED WIRING BOARD Public/Granted day:2015-09-03
Information query