Flexible base for manufacturing flexible printed circuit boards

Details Flexible base for manufacturing flexible printed circuit boards Flexible base for manufacturing flexible printed circuit boards

2011-08-02

2011-08-02

Watkins, III, William P (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

C428S209000, C428S901000, C257S666000, C257S668000, C257S670000

Reexamination Certificate

active

07989048

ABSTRACT:
A flexible base includes a main region configured for forming flexible printed circuit board units; and two conveying regions respectively arranged on two sides of the main region. Each of the conveying regions includes an insulating substrate, a plurality of sprocket holes, and a patterned supporting layer. The sprocket holes are defined along a lengthwise direction of the insulating substrate. The patterned supporting layer is formed on the insulating substrate. The patterned supporting layer extends from an edge of each sprocket hole towards a periphery region of the corresponding sprocket.

REFERENCES:
patent: 5237201 (1993-08-01), Tanaki et al.
patent: 2006/0068164 (2006-03-01), Iguchi
patent: 200621112 (2006-06-01), None
patent: I262159 (2006-09-01), None

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