Entry sheet for drilling and method for drilling hole

Details Entry sheet for drilling and method for drilling hole Entry sheet for drilling and method for drilling hole

2005-03-15

2005-03-15

McAvoy, Ellen M. (Department: 1764)

Cutting by use of rotating axially moving tool

Processes

Bit detachable

C408S087000

Reexamination Certificate

active

06866450

ABSTRACT:
An entry sheet for drilling for a printed wiring board material, which comprises a water-soluble resin (A) and a water-insoluble lubricant (B) as essential components,an entry sheet for drilling for a printed wiring board material, which sheet comprises a metal foil having a thickness of 5 to 200 μm and a thermosetting resin (E) layer having an average thickness of 1 to 10 μm, the thermosetting resin (E) layer being formed on one surface of the metal foil, anda method for drilling a hole by using the above entry sheet.

REFERENCES:
patent: 4781495 (1988-11-01), Hatch et al.
patent: 4929370 (1990-05-01), Hatch et al.
patent: 5067859 (1991-11-01), Korbonski
patent: 5082402 (1992-01-01), Gaku et al.
patent: 5480269 (1996-01-01), Ejiri et al.
patent: 5507603 (1996-04-01), Nakano et al.
patent: 5785465 (1998-07-01), Korbonski
patent: 5961255 (1999-10-01), Korbonski
patent: 6200074 (2001-03-01), Miller et al.
patent: 6565295 (2003-05-01), Ohashi et al.

Affiliated with

Also associated with

Rating

Entry sheet for drilling and method for drilling hole does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Entry sheet for drilling and method for drilling hole, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Entry sheet for drilling and method for drilling hole will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3408571