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Full text of "USPTO Patents Application 10670332"

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OPTICAL DISK AND ITS MANUFACTURING METHOD 



Publication number: JP2001 167472 (A) >'■ ' ; 
Publication date: 2001-06-22 

Inventors): SUZUKI SHIGEHISA; SUGIYAMA TOSHINORI 
Applicant(s): HITACHI MAXELL 


Also published as: 

JJP4174151 (B2) 


Classification: 
- international: 


G11B7/24; G11B7/26; G11B7/24; G11B7/26; (IPC1- 
7). G11B7/24 




- European: 
Application number 


JP1 9990347905 19991207 




Priority number(s): 


JP1 9990347905 19991207 





Abstract of JP 2001 1 67472 (A) 
PROBLEM TO BE SOLVED: To provide an optical 
disk capable of obtaining a coating film having 
uniform thickness. SOLUTION: A projecting part 2 
having a height higher than the thickness of a film, 
which is formed of a photo-setting resin by a spin 
coating method, is formed inside the recording 
region of an optical disk substrate 1 . 




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