The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2002
Filed:
Jan. 19, 1999
Applicant:
Inventors:
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/32 ;
U.S. Cl.
CPC ...
G03F 7/32 ;
Abstract
A method for forming a positive image, which comprises exposing an image-forming material comprising a substrate and a positive photosensitive composition layer containing a novolak resin and a photo-thermal conversion material which absorbs light from an image exposure light source and converts it to heat and not containing a thermally decomposable material which decomposes by the action of heat generated by the photo-thermal conversion material upon absorption of light from the image exposure light source, formed on the substrate, followed by development with an alkali developer containing an amphoteric surfactant to form a positive image.