Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MANUFACTURING METHOD OF SEMICONDUCTOR ELEMENT
Document Type and Number:
Japanese Patent JPS5230173
Kind Code:
A
Abstract:
PURPOSE:To obtain a semiconductor element by etching of the semiconductor wafer to enable desired PN junction with effective planity even for a semiconductor wafer of bad parallelism.

Inventors:
IGARASHI YUKIO
Application Number:
JP10616275A
Publication Date:
March 07, 1977
Filing Date:
September 02, 1975
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
H01L21/306; H01L21/302; H01L21/308; (IPC1-7): H01L21/302



 
Previous Patent: JPS5230172

Next Patent: IC TESTING METHOD