Title:
PRODUCTION OF GREEN SHEET
Document Type and Number:
Japanese Patent JPH0672756
Kind Code:
A
Abstract:
PURPOSE: To prevent cracking by mixing ceramic as starting material, a sintering aid, a resin and a plasticizer with a prescribed org. solvent and carrying out forming.
CONSTITUTION: Alumina powder is mixed with a sintering aid such as SiO2, a resin such as butyral resin and a plasticizer such as dibutyl phthalate to obtain a mixture and N-butanol is added to xylene by ≥65% to obtain an org. solvent. This org. solvent is mixed with the mixture to obtain a slurry having desired proper viscosity. This slurry is defoamed, formed into a tape shape by a doctor blade method or other method and dried at 60-120°C to produce the objective green sheet.
Inventors:
AKAHO KAZUNORI
Application Number:
JP22547792A
Publication Date:
March 15, 1994
Filing Date:
August 25, 1992
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
C04B35/622; C04B35/00; C04B35/632; H01L23/15; H05K1/03; H05K3/46; (IPC1-7): C04B35/00; C04B35/00; H01L23/15; H05K1/03; H05K3/46
Attorney, Agent or Firm:
Ryuji Inouchi
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