Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0572262
Kind Code:
B2
Abstract:
An article of manufacture and method for assisting the lamination of printed circuits in a flat bed press, in which a stratiform sheet (10) has a thermoplastic layer (16), a polymeric release layer on one side (12), a polymeric stabilizing layer (18) having a melting point higher than the laminating temperature peak on the other side, both bonded to the middle thermoplastic layer which has a glass transition point lower than the laminating temperature peak, and a melting point higher than the peak, and the sheet is characterized by substantial freedom from creases, trapped gases, and contaminants between the layers, and the improved method using the stratiform sheet in a flat bed press operation.

Inventors:
KUROSU TOOMASU EMU JUNIAA
Application Number:
JP50089685A
Publication Date:
October 08, 1993
Filing Date:
February 19, 1985
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HIIRA RIBAA PURODAKUTSU INC
International Classes:
B29C63/00; B29D17/00; B30B15/06; B23B27/00; H05K3/02; (IPC1-7): B32B31/20; B29C43/32; B32B27/00



 
Next Patent: JPS572263