Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD OF FORMING ALIGNMENT MARK ON GLASS SHEET AND ALIGNMENT MARK FORMED BY THE METHOD
Document Type and Number:
WIPO Patent Application WO/2004/034747
Kind Code:
A1
Abstract:
A method of forming an alignment mark on a glass sheet, able to improve positioning accuracy of a second glass sheet with respect to a first glass. On one surface of a rectangular second glass sheet that is to be installed on a rectangular second glass sheet having a first alignment mark, a second alignment mark for alignment with the first glass sheet is formed. A masking member having a hole formed on a predetermined circumference is adhered on the one surface of the second glass sheet at a predetermined position corresponding to the first alignment mark, and the one surface of the second glass sheet is etched through the masking member.

Inventors:
YOSHII TETSURO (JP)
Application Number:
PCT/JP2003/012901
Publication Date:
April 22, 2004
Filing Date:
October 08, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON SHEET GLASS CO LTD (JP)
YOSHII TETSURO (JP)
International Classes:
G09F9/30; C03C15/00; H01L51/52; (IPC1-7): H05B33/02; C03C15/00; G09F9/00; G09F9/30; H05B33/04; H05B33/10; H05B33/14
Foreign References:
JPS56167329A1981-12-23
JPH10301143A1998-11-13
JPH1062604A1998-03-06
JP2002221916A2002-08-09
JPH0561010A1993-03-12
JP2003015552A2003-01-17
Attorney, Agent or Firm:
Watanabe, Toshihiko (No.5 Mori Bldg. 8th Floor, 17-1 Toranomon 1-chom, Minato-ku Tokyo, 105-0001, JP)
Download PDF: