MY106881A - Method of drilling of through-holes in printed circuit board panels. - Google Patents

Method of drilling of through-holes in printed circuit board panels.

Info

Publication number
MY106881A
MY106881A MYPI91001494A MYPI19911494A MY106881A MY 106881 A MY106881 A MY 106881A MY PI91001494 A MYPI91001494 A MY PI91001494A MY PI19911494 A MYPI19911494 A MY PI19911494A MY 106881 A MY106881 A MY 106881A
Authority
MY
Malaysia
Prior art keywords
circuit board
printed circuit
drilling
holes
board panels
Prior art date
Application number
MYPI91001494A
Inventor
Gaku Morio
Kimbara Hidenori
Original Assignee
Mitsubishi Gas Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Gas Chemical Co filed Critical Mitsubishi Gas Chemical Co
Priority to MYPI91001494A priority Critical patent/MY106881A/en
Publication of MY106881A publication Critical patent/MY106881A/en

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)

Abstract

A METHOD OF DRILLING A THROUGH -HOLE IN A PRINTED CIRCUIT BOARD PANEL, WHICH COMPRISES PLACING A WATER - SOLUBLE LUBRICANT SHEET ON ONE SURFACE OR EACH OF TWO SURFACES OF A PRINTED CIRCUIT BOARD PANEL AND DRILLING A THROUGH - HOLE THROUGH THE PRINTED CIRCUIT BOARD PANEL, THE WATER - SOLUBLE LUBRICANT SHEET BEING COMPOSED OF A MIXTURE OF 20 TO 90% BY WEIGHT OF A POLYETHYLENE GLYCOL HAVING A WEIGHT AVERAGE MOLECULAR WEIGHT OF NOT LESS THAN 10,000 WITH 10 TO 80% BY WEIGHT OF A WATER - SOLUBLE LUBRICANT AND HAVING A THICKNESS OF 0.05 TO 3 MM.
MYPI91001494A 1991-08-19 1991-08-19 Method of drilling of through-holes in printed circuit board panels. MY106881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI91001494A MY106881A (en) 1991-08-19 1991-08-19 Method of drilling of through-holes in printed circuit board panels.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI91001494A MY106881A (en) 1991-08-19 1991-08-19 Method of drilling of through-holes in printed circuit board panels.

Publications (1)

Publication Number Publication Date
MY106881A true MY106881A (en) 1995-08-30

Family

ID=79554049

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI91001494A MY106881A (en) 1991-08-19 1991-08-19 Method of drilling of through-holes in printed circuit board panels.

Country Status (1)

Country Link
MY (1) MY106881A (en)

Similar Documents

Publication Publication Date Title
GB2282163B (en) A panel and a method for producing the panel
EP0470757A3 (en) Method of drilling of through-holes in printed circuit board panels
AU1868588A (en) A sheet material
EP1187516A3 (en) Lubricant sheet for making hole and method of making hole with drill
GB9124547D0 (en) Improvements in the manufacture of printed wiring boards
EP0843509A4 (en) Resin-coated copper foil for multilayer printed wiring board and multilayer printed wiring board provided with said copper foil
EP0624054A3 (en) Printed circuit boards.
DE3472921D1 (en) Curable sheet
MY129283A (en) Prepreg, metal-clad laminated board and printed wiring board using the same
MY116494A (en) Copper foils and high-density multilayer printed circuit board using the copper foils for inner-layer circuit
MY106881A (en) Method of drilling of through-holes in printed circuit board panels.
EP0397177A3 (en) Asymmetric adhesive sheet
EP0657744A3 (en) Determination of surface, insulation resistnace of printed circuit boards.
BR8703504A (en) COPPER SHEET, METHOD OF PRODUCING A COPPER AND LAMINATED SHEET FOR USE IN THE MANUFACTURE OF PRINTED CIRCUITS
EP0341944A3 (en) Improvements in or relating to methods of and apparatus for registration
ES8603539A1 (en) Polymeric alloys with a mat surface
AU6995491A (en) Method and apparatus for forming holes in wood board or the like
EP0472177A3 (en) Matt film
EP0338221A3 (en) Foil web
EP0637518A3 (en) Decorative board with an inorganic substrate.
EP0920933A3 (en) Improved punching machine for metal sheet panels
TW311571U (en) Improved point rail for switching gear
JPS6445190A (en) Flexible double-sided wiring board
PL325976A1 (en) Semi-finished product for use in production of laminated flat boards or laminated ribbed board
MY114615A (en) Component of printed circuit board