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Patent Searching and Data


Title:
LAMINATION OF GREEN SHEET
Document Type and Number:
Japanese Patent JPH0422602
Kind Code:
A
Abstract:

PURPOSE: To fill the defective part produced in veer surely when green sheets are accumulated by forming the small land of small diameter on the upper layer of a land.

CONSTITUTION: A land 4 is provided on the printing surface of the bia 3 which is formed by filling a through hole 1C with the conductive material such as copper powder. The small land 5 with the almost same size as the diameter D of the veer 3 is provided on the upper layer 4A of the land 4 at the green sheet 1-1. If such method is carried out, when a second green sheet 1-2 is laminated on a first green sheet 1-1 as the arrow B, the small land 5 of the first green sheet 1-1 is engaged with the defective part 3A of the second green sheet 1-2, and by laminating the first green sheet 1-1 on the second green sheet 1-2, the bias 3 of both sheets are mutually bonded surely. Sure connection of the bia without the cavity in the bond of the veer is achieved, and the quality of a multilayer base plate is improved.


Inventors:
NARUSE MASATO
NAKATOMI KAZUAKI
Application Number:
JP12974590A
Publication Date:
January 27, 1992
Filing Date:
May 18, 1990
Export Citation:
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Assignee:
FUJITSU LTD
International Classes:
B32B37/16; B28B11/02; H05K3/46; (IPC1-7): B28B11/02; B32B31/04; H05K3/46
Attorney, Agent or Firm:
Sadaichi Igita