KR100441197B1 - 포토레지스트현상폐액으로부터의 현상액의 회수재이용방법 및 장치 - Google Patents
포토레지스트현상폐액으로부터의 현상액의 회수재이용방법 및 장치 Download PDFInfo
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- KR100441197B1 KR100441197B1 KR10-1999-0047529A KR19990047529A KR100441197B1 KR 100441197 B1 KR100441197 B1 KR 100441197B1 KR 19990047529 A KR19990047529 A KR 19990047529A KR 100441197 B1 KR100441197 B1 KR 100441197B1
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- waste
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- GRNRCQKEBXQLAA-UHFFFAOYSA-M triethyl(2-hydroxyethyl)azanium;hydroxide Chemical compound [OH-].CC[N+](CC)(CC)CCO GRNRCQKEBXQLAA-UHFFFAOYSA-M 0.000 description 1
- JAJRRCSBKZOLPA-UHFFFAOYSA-M triethyl(methyl)azanium;hydroxide Chemical compound [OH-].CC[N+](C)(CC)CC JAJRRCSBKZOLPA-UHFFFAOYSA-M 0.000 description 1
- IJGSGCGKAAXRSC-UHFFFAOYSA-M tris(2-hydroxyethyl)-methylazanium;hydroxide Chemical compound [OH-].OCC[N+](C)(CCO)CCO IJGSGCGKAAXRSC-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/3042—Imagewise removal using liquid means from printing plates transported horizontally through the processing stations
- G03F7/3071—Process control means, e.g. for replenishing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/3092—Recovery of material; Waste processing
-
- 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
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/32—Liquid compositions therefor, e.g. developers
- G03F7/322—Aqueous alkaline compositions
Abstract
Description
Claims (18)
- 포토레지스트현상폐액으로부터 포토레지스트 등의 불순물을 분리하고, 수산화테트라알킬암모늄용액을 회수하고, 그것을 재이용하는 것에 있어서, 회수된 수산화테트라알킬암모늄용액과 계면활성물질을 혼합하는 것을 포함하고, 또한 상기 계면활성물질이 포토레지스트현상폐액 또는 그것에서 유래하는 포토레지스트처리액에포함되어 있는 포토레지스트인 것을 특징으로 하는 포토레지스트현상폐액으로부터의 현상액의 회수재이용방법.
- 삭제
- 제1항에 있어서, 자외가시광 흡광 광도계를 사용하여 상기 계면활성물질로서의 포토레지스트의 농도의 조정과 관리를 행하는 것을 특징으로 하는 포토레지스트현상폐액으로부터의 현상액의 회수재이용방법.
- 제1항에 있어서, 포토레지스트현상폐액으로부터 포토레지스트 등의 불순물을 분리하고, 수산화테트라알킬암모늄용액을 회수하는 방법이, 상기 포토레지스트현상폐액에 대하여, 전기투석 및 전해 중 하나 이상의 방법으로 수산화테트라알킬암모늄을 농축정제하는 농축정제공정(A), 음이온교환수지 및/또는 H형 및 테트라알킬암모늄이온형(TAA형) 중 한쪽 이상의 양이온교환수지와 접촉처리하는 공정(B) 및, 나노여과막(NF막)에 의해서 수산화테트라알킬암모늄을 주로 포함하는 투과수를 얻는 NF막분리처리공정(C)에서 선택되는 하나 이상의 공정을 포함하는 것을 특징으로 하는 포토레지스트현상폐액으로부터의 현상액의 회수재이용방법.
- 포토레지스트현상폐액으로부터 포토레지스트 등의 불순물을 분리하고, 수산화테트라알킬암모늄용액을 회수하는 회수정제장치, 포토레지스트현상폐액의 일부 및/또는 상기 회수정제장치로부터의 포토레지스트함유 회수폐액의 적어도 일부와 상기 회수정제장치에서 회수된 상기 수산화테트라알킬암모늄용액을 혼합하도록 조작되어 재생현상액을 얻는 재생현상액 조정장치 및 상기 재생현상액을 공급하도록 배치되어 있는 현상장치를 포함하는 것을 특징으로 하는 포토레지스트현상폐액으로부터의 현상액의 회수재이용장치.
- 제 5항에 있어서, 상기 수산화테트라알킬암모늄 용액 및 포토레지스트 현상폐액의 일부 및/또는 상기 회수정제장치로부터의 포토레지스트 함유 회수폐액의 적어도 일부에 (초)순수 및/또는 수산화테트라알킬암모늄을 보급하기 위한 (초)순수첨가 라인 및 수산화테트라알킬암모늄 첨가 라인의 적어도 하나를 하나씩 더 포함하는 것을 특징으로 하는 현상폐액으로부터의 현상액의 회수재이용장치.
- 포토레지스트현상폐액으로부터 포토레지스트 등의 불순물을 분리하고, 수산화테트라알킬암모늄용액을 회수하는 회수정제장치, 회수된 상기 수산화테트라알킬암모늄용액에 필요에 따라 (초)순수 및/또는 수산화테트라알킬암모늄을 보급하도록 조작되어 원하는 수산화테트라알킬암모늄농도의 제1재생현상액을 얻는 제1재생현상액조정장치, 포토레지스트현상폐액의 일부 및/또는 상기 회수정제장치로부터의 포토레지스트함유 회수폐액의 적어도 일부에 필요에 따라 (초)순수 및/또는 수산화테트라알킬암모늄을 보급하도록 조작되어 원하는 수산화테트라알킬암모늄농도의 포토레지스트함유 제2재생현상액을 얻는 제2재생현상액 조정장치, 상기 제1재생현상액과 상기 제2재생현상액을 혼합하는 혼합기 및 상기 재생현상액을 공급하도록 배치되어 있는 현상장치를 포함하는 것을 특징으로 하는 포토레지스트현상폐액으로부터의 현상액의 회수재이용장치.
- 제7항에 있어서, 상기 제1재생현상액 및 상기 제2재생현상액의 각 유량을 측정하는 각각의 유량계, 상기 제2재생현상액의 포토레지스트농도를 측정하는 측정기기, 상기 혼합재생현상액의 포토레지스트농도를 측정하는 측정기기, 및, 상기 각 유량 및 상기 각 포토레지스트농도의 측정치를 입력값으로 하여 연산하고, 상기 제1재생현상액 및 상기 제2재생현상액의 각 유량을 상기 혼합재생현상액의 포토레지스트농도가 원하는 값으로 되는 양상으로 제어하는 제어기를 더 포함하는 것을 특징으로 하는 포토레지스트현상폐액으로부터의 현상액의 회수재이용장치.
- 현상폐액탱크 겸 재생현상액 조정탱크를 포함하는 재생현상액 조정장치, 상기 현상폐액탱크 겸 재생현상액 조정탱크로부터의 용액에서 포토레지스트 등의 불순물을 분리하도록 조작되어 수산화테트라알킬암모늄용액을 회수하는 회수정제장치, 회수된 상기 수산화테트라알킬암모늄 용액을 상기 현상폐액탱크 겸 재생현상액 조정탱크로 반송하고, 상기 현상폐액탱크 겸 재생현상액 조정탱크속의 용액과 혼합하여 재생현상액을 조제하는 수단 및 상기 재생현상액을 공급하도록 배치되어 있는 현상장치를 포함하는 것을 특징으로 하는 포토레지스트현상폐액으로부터의 현상액의 회수재이용장치.
- 제9항에 있어서, 상기 회수정제장치로부터의 포토레지스트 함유회수폐액의 적어도 일부를 상기 현상폐액탱크 겸 재생현상액 조정탱크에 반송하는 라인을 더 포함하는 것을 특징으로 하는 포토레지스트 현상폐액으로부터의 현상액의 회수재이용장치.
- 제 10항에 있어서, 상기 회수정제장치로부터의 포토레지스트 함유회수폐액의 적어도 일부를 그 사용 전에 미리 정제처리하는 양이온교환수지 처리장치 및 킬레이트수지 처리장치의 적어도 하나 또는 양이온교환수지+킬레이트수지 혼상처리장치를 더 포함하는 것을 특징으로 하는 포토레지스트 현상폐액으로부터의 현상액의 회수재이용장치.
- 제 9항에 있어서, 상기 현상폐액탱크 겸 재생현상액 조정탱크 중의 용액에 필요에 따라서 (초)순수 및/또는 수산화테트라알킬암모늄을 보급하기 위해 (초)순수 첨가 라인 및 수산화테트라알킬암모늄 첨가라인의 적어도 하나를 구비한 것을 특징으로 하는 포토레지스트 현상폐액으로부터의 현상액의 회수재이용장치.
- 제 9항에 있어서, 상기 재생현상액 조정장치에 부설되고, 또한 상기 현상폐액탱크 겸 재생현상액 조정탱크 속의 용액의 포토레지스트 농도를 측정하는 측정기기와 상기 현상폐액탱크 겸 재생현상액 조정탱크 속의 상기 용액의 수산화테트라알킬암모늄 농도를 측정하는 측정기기를 갖춘 순환라인 및 상기 포토레지스트 농도 및 상기 수산화테트라알킬암모늄 농도의 측정값을 입력값으로 하여 연산하고, 포토레지스트 현상폐액의 적어도 일부 및 상기 수산화테트라알킬암모늄 용액의 각 유량을 원하는 값으로 제어하는 제어기를 더 포함하는 것을 특징으로 하는 포토레지스트 현상폐액으로부터의 현상액의 회수재이용장치.
- 제 13항에 있어서, 상기 제어기가 (초)순수 및/또는 수산화테트라알킬암모늄의 유량을 원하는 값으로 제어하기 위해서도 이용되는 것을 특징으로 하는 포토레지트 현상폐액으로부터의 현상액의 회수재이용장치.
- 제 13항에 있어서, 상기 제어기가 필요에 따라서 상기 회수정제장치로부터의 포토레지스 함유 회수폐액의 적어도 일부의 유량을 원하는 값으로 제어하기 위해서도 사용되는 것을 특징으로 하는 포토레지스트 현상폐액으로부터의 현상액의 회수재이용장치.
- 제 5항에 있어서, 포토레지스트 현상폐액의 일부 및/또는 상기 회수정제장치로부터의 포토레지스트 함유 회수폐액의 적어도 일부를 그 사용 전에 미리 정제처리하는 양이온교환수지처리장치 및 킬레이트수지 처리장치의 적어도 하나 또는 양이온교환수지+킬레이트수지 혼상처리장치를 더 포함하는 것을 특징으로 하는 포토레지스트 현상폐액으로부터의 현상액의 회수재이용장치.
- 제 6항에 있어서, 상기 재생현상액 조정장치에 부설되고, 또한 상기 재생현상액의 포토레지스트 농도를 측정하는 측정기기와 상기 재생현상액의 수산화테트라알킬암모늄 농도를 측정하는 측정기기를 구비한 순환라인 및 상기 포토레지스트 농도 및 상기 수산화테트라알킬암모늄 농도의 측정값을 입력값으로 하여 연산하고, 상기 수산화테트라알킬암모늄 용액, 포토레지스트 현상폐액의 일부 및/또는 상기 회수정제장치로부터의 포토레지스트 함유 회수폐액의 적어도 일부 및 (초)순수 및/또는 수산화테트라알킬암모늄의 각 유량을 원하는 값으로 제어하는 제어기를 더 포함하는 것을 특징으로 하는 포토레지스트 현상폐액으로부터의 현상액의 회수재이용장치.
- 제 7항에 있어서, 포토레지스트 현상폐액의 적어도 일부 및/또는 상기 회수정제장치로부터의 포토레지스트 함유 회수폐액의 적어도 일부를 그 사용 전에미리 정제처리하는 양이온교환수지처리장치 및 킬레이트 수지 처리장치의 적어도 하나 또는 양이온교환수지 및 킬레이트 수지 혼합처리장치를 더 포함하는 것을 특징으로 하는 포토레지스트 현상페액으로부터의 현상액의 회수재이용장치.
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JP30960698A JP3728945B2 (ja) | 1998-10-30 | 1998-10-30 | フォトレジスト現像廃液からの現像液の回収再利用方法及び装置 |
JP98-309606 | 1998-10-30 |
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JPH10137550A (ja) * | 1996-11-15 | 1998-05-26 | Kansai Paint Co Ltd | レジスト現像廃液の再使用方法 |
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US20010003481A1 (en) | 2001-06-14 |
MY124702A (en) | 2006-06-30 |
JP3728945B2 (ja) | 2005-12-21 |
TWI231292B (en) | 2005-04-21 |
JP2000138150A (ja) | 2000-05-16 |
US6488847B2 (en) | 2002-12-03 |
US6187519B1 (en) | 2001-02-13 |
KR20000047573A (ko) | 2000-07-25 |
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