SG48719A1 - Using a lewis base to control molecular weight of novolak resins - Google Patents
Using a lewis base to control molecular weight of novolak resinsInfo
- Publication number
- SG48719A1 SG48719A1 SG1996000480A SG1996000480A SG48719A1 SG 48719 A1 SG48719 A1 SG 48719A1 SG 1996000480 A SG1996000480 A SG 1996000480A SG 1996000480 A SG1996000480 A SG 1996000480A SG 48719 A1 SG48719 A1 SG 48719A1
- Authority
- SG
- Singapore
- Prior art keywords
- molecular weight
- lewis base
- novolak resins
- control molecular
- control
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/022—Quinonediazides
- G03F7/023—Macromolecular quinonediazides; Macromolecular additives, e.g. binders
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/022—Quinonediazides
- G03F7/023—Macromolecular quinonediazides; Macromolecular additives, e.g. binders
- G03F7/0233—Macromolecular quinonediazides; Macromolecular additives, e.g. binders characterised by the polymeric binders or the macromolecular additives other than the macromolecular quinonediazides
- G03F7/0236—Condensation products of carbonyl compounds and phenolic compounds, e.g. novolak resins
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Materials For Photolithography (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/997,942 US5614349A (en) | 1992-12-29 | 1992-12-29 | Using a Lewis base to control molecular weight of novolak resins |
Publications (1)
Publication Number | Publication Date |
---|---|
SG48719A1 true SG48719A1 (en) | 1998-05-18 |
Family
ID=25544582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996000480A SG48719A1 (en) | 1992-12-29 | 1993-12-20 | Using a lewis base to control molecular weight of novolak resins |
Country Status (8)
Country | Link |
---|---|
US (2) | US5614349A (fr) |
EP (1) | EP0677068B1 (fr) |
JP (1) | JP3630425B2 (fr) |
KR (1) | KR100289747B1 (fr) |
DE (1) | DE69330965T2 (fr) |
SG (1) | SG48719A1 (fr) |
TW (1) | TW266217B (fr) |
WO (1) | WO1994014862A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5614349A (en) * | 1992-12-29 | 1997-03-25 | Hoechst Celanese Corporation | Using a Lewis base to control molecular weight of novolak resins |
US5476750A (en) * | 1992-12-29 | 1995-12-19 | Hoechst Celanese Corporation | Metal ion reduction in the raw materials and using a Lewis base to control molecular weight of novolak resin to be used in positive photoresists |
TW442710B (en) * | 1995-12-07 | 2001-06-23 | Clariant Finance Bvi Ltd | Isolation of novolak resin without high temperature distillation and photoresist composition therefrom |
US5665517A (en) * | 1996-01-11 | 1997-09-09 | Hoechst Celanese Corporation | Acidic ion exchange resin as a catalyst to synthesize a novolak resin and photoresist composition therefrom |
US6740566B2 (en) * | 1999-09-17 | 2004-05-25 | Advanced Micro Devices, Inc. | Ultra-thin resist shallow trench process using high selectivity nitride etch |
US6664023B2 (en) * | 2001-03-13 | 2003-12-16 | International Business Machines Corporation | Controlled aging of photoresists for faster photospeed |
US7186622B2 (en) * | 2004-07-15 | 2007-03-06 | Infineon Technologies Ag | Formation of active area using semiconductor growth process without STI integration |
US7298009B2 (en) * | 2005-02-01 | 2007-11-20 | Infineon Technologies Ag | Semiconductor method and device with mixed orientation substrate |
US8530355B2 (en) | 2005-12-23 | 2013-09-10 | Infineon Technologies Ag | Mixed orientation semiconductor device and method |
US20070190795A1 (en) * | 2006-02-13 | 2007-08-16 | Haoren Zhuang | Method for fabricating a semiconductor device with a high-K dielectric |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3666473A (en) * | 1970-10-06 | 1972-05-30 | Ibm | Positive photoresists for projection exposure |
JPS5437190A (en) * | 1977-08-29 | 1979-03-19 | Hitachi Chem Co Ltd | Preparation of phenolic resin |
US4260730A (en) * | 1980-01-03 | 1981-04-07 | Desoto, Inc. | Preparation of bisphenol-formaldehyde ethers using nitric acid |
JPH0623226B2 (ja) * | 1986-11-25 | 1994-03-30 | 住友デュレズ株式会社 | 速硬化フエノ−ル樹脂の製造方法 |
JPH0465415A (ja) * | 1990-07-04 | 1992-03-02 | Hitachi Chem Co Ltd | 不純金属成分の低減されたノボラツク樹脂の製造法 |
DE69215383T2 (de) * | 1991-12-18 | 1997-04-30 | Hoechst Celanese Corp | Reduktion des metallionengehaltes in novolakharzen |
WO1993018437A1 (fr) * | 1992-03-06 | 1993-09-16 | Hoechst Celanese Corporation | Resines photosensibles presentant un faible niveau d'ions metalliques |
SG52770A1 (en) * | 1992-07-10 | 1998-09-28 | Hoechst Celanese Corp | Metal ion reduction in top anti-reflective coatings for photoresists |
EP0671025B1 (fr) * | 1992-11-25 | 1997-08-13 | Hoechst Celanese Corporation | Reduction d'ions metal dans des revetements anti-reflecteurs de fond pour des photoreserves |
US5286606A (en) * | 1992-12-29 | 1994-02-15 | Hoechst Celanese Corporation | Process for producing a developer having a low metal ion level |
US5476750A (en) * | 1992-12-29 | 1995-12-19 | Hoechst Celanese Corporation | Metal ion reduction in the raw materials and using a Lewis base to control molecular weight of novolak resin to be used in positive photoresists |
WO1994014858A1 (fr) * | 1992-12-29 | 1994-07-07 | Hoechst Celanese Corporation | Reduction de la teneur en ions metalliques dans le polyhydroxystyrene et les photoresists |
US5614349A (en) * | 1992-12-29 | 1997-03-25 | Hoechst Celanese Corporation | Using a Lewis base to control molecular weight of novolak resins |
-
1992
- 1992-12-29 US US07/997,942 patent/US5614349A/en not_active Expired - Fee Related
-
1993
- 1993-11-19 TW TW082109742A patent/TW266217B/zh active
- 1993-12-20 EP EP94905448A patent/EP0677068B1/fr not_active Expired - Lifetime
- 1993-12-20 JP JP51536394A patent/JP3630425B2/ja not_active Expired - Fee Related
- 1993-12-20 DE DE69330965T patent/DE69330965T2/de not_active Expired - Fee Related
- 1993-12-20 KR KR1019950702544A patent/KR100289747B1/ko not_active IP Right Cessation
- 1993-12-20 WO PCT/US1993/012403 patent/WO1994014862A1/fr active IP Right Grant
- 1993-12-20 SG SG1996000480A patent/SG48719A1/en unknown
-
1996
- 1996-12-20 US US08/771,715 patent/US5688893A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5688893A (en) | 1997-11-18 |
JPH08510764A (ja) | 1996-11-12 |
EP0677068A1 (fr) | 1995-10-18 |
TW266217B (fr) | 1995-12-21 |
DE69330965T2 (de) | 2002-04-11 |
EP0677068B1 (fr) | 2001-10-17 |
WO1994014862A1 (fr) | 1994-07-07 |
DE69330965D1 (de) | 2001-11-22 |
US5614349A (en) | 1997-03-25 |
JP3630425B2 (ja) | 2005-03-16 |
KR100289747B1 (ko) | 2001-05-15 |
KR950704383A (ko) | 1995-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG52269A1 (en) | Metal ion reduction in the raw materials and using a lewis base to control molecular weight of novolak resin | |
SG59955A1 (en) | Partially polymerized resins | |
ZA90756B (en) | Tough epoxy resins | |
GB9222927D0 (en) | Resins | |
SG48719A1 (en) | Using a lewis base to control molecular weight of novolak resins | |
ZA922247B (en) | High molecular weight copolyester resins having low melting points | |
GB2225953B (en) | "tracheostomy devices" | |
GB9126902D0 (en) | Polysulphide-modified epoxy resins | |
EP0327038A3 (en) | Ungelled polyamine-polyepoxide resins | |
EP0430143A3 (en) | Novel cured epoxy resins | |
AR245118A1 (es) | Un proceso para la preparacion de compuestos de epoxi. | |
GB9203416D0 (en) | Curing plastics resins | |
US5250659B1 (en) | Use of 1,3-dioxacyclopentane as a solvent for polyester resins | |
GB8813063D0 (en) | Thiphene monomers & polymers prepared therefrom | |
GB8903656D0 (en) | A stabilised weapon system | |
GB8830343D0 (en) | Modified epoxy resins | |
GB9513127D0 (en) | Resins | |
GB2263479B (en) | Epoxy resins | |
AU4342289A (en) | Curing agents for epoxy/anhydride resins | |
GB8807036D0 (en) | Marker post | |
AU105171S (en) | Pavement marker | |
EP0493749A3 (en) | Bio-maleimide resins | |
AU115310S (en) | A set of pavers | |
GB2224033B (en) | Controlled curing of polymers | |
EP0405308A3 (en) | Curable epoxy resins |