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Patent Searching and Data


Title:
POSITIVE TYPE RESIST COMPOSITION
Document Type and Number:
Japanese Patent JPH07301914
Kind Code:
A
Abstract:

PURPOSE: To obtain a resist compsn. of positive type excellent in balance of various characteristics such as sensitivity, the rate of a residual film and resolution by incorporating a specified polyhydroxy compd.

CONSTITUTION: A polyhydroxy compd. represented by formula I or II is incorporated into a positive type resist compsn. contg. alkalisoluble phenolic resin and a quinonediazidosulfonic ester type photosensitive agent in place of the alkali-soluble phenolic resin or in combination with the phenolic resin. In the formula I, each of R1-R12 is H, halogen, hydroxyl, 1-4C alkyl, 2-5C alkenyl, 6-15C aryl or 1-6C alkoxy. In the formula II, each of R22-R33 is H, halogen, hydroxyl, 1-4C alkyl, 2-5C alkenyl, 6-15C aryl or 1-6C alkoxy.


Inventors:
KAWADA MASAJI
KATOU TAKEYOSHI
AZUMA HIROKAZU
Application Number:
JP11450894A
Publication Date:
November 14, 1995
Filing Date:
April 28, 1994
Export Citation:
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Assignee:
NIPPON ZEON CO
International Classes:
G03F7/022; G03F7/004; H01L21/027; (IPC1-7): G03F7/022; H01L21/027
Attorney, Agent or Firm:
Nishikawa Shigeaki