Title:
METHOD OF EXPOSING REFERENCE POSITION DISPLAY MARK OF MULTILAYER PRINTED CIRCUIT BOARD INNER LAYER CIRCUIT
Document Type and Number:
Japanese Patent JPS5833896
Kind Code:
A
Inventors:
SHIOZAKI HARUMI
TONEGAWA HARUO
TONEGAWA HARUO
Application Number:
JP13294281A
Publication Date:
February 28, 1983
Filing Date:
August 25, 1981
Export Citation:
Assignee:
HITACHI CHEMICAL CO LTD
International Classes:
H05K3/46; B23Q17/20; (IPC1-7): H05K3/46
Attorney, Agent or Firm:
Kunihiko Wakabayashi