KR102748690B1 - 금속 표면 상에 에치 레지스트 패턴을 형성하는 방법 - Google Patents
금속 표면 상에 에치 레지스트 패턴을 형성하는 방법 Download PDFInfo
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- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
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Abstract
Description
도 1은 본원의 일부 실시태양에 따른 에치-레지스트 마스크의 제조 방법의 흐름도이다.
도 2a는 비활성 구리에 프린팅된 일례의 에치 레지스트 마스크의 사진이다.
도 2b는 본원의 실시태양에 따른 활성화 구리 표면에 프린팅된 일례의 에치 레지스트 마스크의 사진이다.
간단하고 명확한 도시를 위하여, 도면의 구성요소들이 필수적으로 스케일되어 도시되지는 않는다. 예를 들어, 구성요소 중 일부의 치수는 명확성을 위해 다른 구성요소에 비하여 과장될 수 있다. 또한, 적절하게 고려되는 한, 도면 부호가 대응하거나 유사한 구성요소를 나타내도록 도면 간에서 반복될 수도 있다.
활성화제 | 농도 (w/w%) | 침지 시간 (초) |
CuCl2 (또는 임의의 이가 구리 염) | 0.5-1 | 30 |
Na2S2O8 (또는 임의의 과황산염) | 0.5-1 | 30 |
H2O2 | 10 | 30 |
FeCl3 | 20 | 10 |
HCrO4/H2SO4 | 5 | 30 |
NaClO2 | 5 | 60 |
에치-레지스트 잉크 | 에치-레지스트 성분 | |
1 | 2 % (w/w)의 시안 염료, 10% 프로필렌 글리콜, 1% (w/w) 2-아미노-2-메틸 프로판올 및 0.3% (w/w)의 계면활성제를 24% 스티렌 아크릴 수지 용액을 함유하는 물에 용해시켰다. | 아크릴레이트 중합체; Mw: 1000-17,000 |
2 | 2 % (w/w)의 시안 염료, 10% 프로필렌 글리콜, 1% (w/w) 2-아미노-2-메틸 프로판올 및 0.3% (w/w)의 계면활성제를 24% 포스페이트 수지 용액을 함유하는 물에 용해시켰다. | 포스페이트 중합체 Mw: 500-17,000 |
3 | 2 % (w/w)의 시안 염료, 10% 프로필렌 글리콜, 1% (w/w) 2-아미노-2-메틸 프로판올 및 0.3% (w/w)의 계면활성제를 24% 술포네이트 수지 용액을 함유하는 물에 용해시켰다. | 술포네이트 중합체 Mw: 500-17,000 |
Claims (20)
- 기판 상에 금속 패턴을 형성하는 방법으로서,
무기 활성화제를 금속 표면에 도포하여 기판의 금속 표면을 활성화하는 단계;
상기 금속 표면을 화학적으로 활성화한 후 상기 금속 표면에 잉크를 패턴으로 논임팩트 프린팅하는 단계;
패턴화된 레지스트를 생성하기 위해 상기 잉크의 성분을 상기 금속 표면의 이온과 반응시키는 단계;
상기 패턴화된 레지스트에 의해 덮이지 않은 상기 금속 표면의 부분을 제거하기 위해 에칭 공정을 수행하는 단계; 및
상기 패턴화된 레지스트를 제거하여 각각 50 마이크론 미만의 폭을 갖는 다중 금속 라인들을 포함하는 금속 패턴을 형성하는 단계를 포함하는, 방법. - 제1항에 있어서, 상기 패턴화된 레지스트가 50 마이크론 미만의 폭을 갖는 다중 라인들을 포함하는, 방법.
- 제1항에 있어서, 상기 금속 패턴은 30 마이크론 미만의 폭을 갖는 다중 금속 라인들을 포함하는, 방법.
- 제1항에 있어서, 논임팩트 프린팅하는 단계에 앞서, 용매를 사용하여 상기 금속 표면에서 상기 무기 활성화제를 제거하는 단계를 더 포함하는, 방법.
- 제1항에 있어서, 상기 금속 표면과 반응하는 잉크 성분이 아크릴레이트, 포스페이트, 술포네이트, 또는 이들의 임의의 조합을 포함하는 중합체 성분인, 방법.
- 제1항에 있어서, 상기 무기 활성화제는 구리 염, 철 염, 크롬 황산, 과황산염, 아염소산나트륨 및 과산화수소로 이루어진 군에서 선택되는 1종 이상을 포함하는, 방법.
- 제1항에 있어서, 상기 무기 활성화제를 도포하는 것은 상기 금속 표면을 상기 무기 활성화제를 함유하는 수용액에 10초-60초 동안 침지하거나 상기 금속 표면에 상기 수용액을 분사하는 것을 포함하는, 방법.
- 제1항에 있어서, 상기 잉크는 염료를 더 포함하는, 방법.
- 제1항에 있어서, 상기 금속 표면이 구리를 포함하고, 상기 금속 표면의 이온이 구리 양이온을 포함하는, 방법.
- 기판에 금속 패턴을 형성하는 방법으로서,
무기 활성화제를 금속 표면에 도포하여 기판의 금속 표면을 활성화하는 단계;
상기 금속 표면을 화학적으로 활성화한 후, 상기 금속 표면 상에 중합체 성분을 포함하는 잉크를 패턴으로 잉크젯 프린팅하는 단계;
패턴화된 레지스트를 생성하기 위해 상기 잉크의 중합체 성분을 상기 금속 표면의 이온과 반응시키는 단계;
상기 패턴화된 레지스트에 의해 덮이지 않은 상기 금속 표면의 부분을 제거하기 위해 에칭 공정을 수행하는 단계; 및
상기 패턴화된 레지스트를 제거하여 각각의 폭이 50 마이크론 미만인 다중 금속 라인들을 포함하는 금속 패턴을 형성하는 단계를 포함하는, 방법. - 제10항에 있어서, 상기 중합체 성분이 아크릴레이트, 포스페이트, 술포네이트, 또는 이들의 임의의 조합을 포함하는, 방법.
- 제10항에 있어서, 상기 무기 활성화제는 구리 염, 철 염, 크롬 황산, 과황산염, 아염소산나트륨 및 과산화수소로 이루어진 군에서 선택되는 1종 이상을 포함하는, 방법.
- 제10항에 있어서, 상기 잉크는 염료를 더 포함하는, 방법.
- 제10항에 있어서, 상기 잉크의 중합체 성분이 상기 금속 표면의 구리 이온과 반응하는, 방법.
- 제10항에 있어서, 상기 중합체 성분이 음이온성 성분인, 방법.
- 제10항에 있어서, 상기 금속 표면은 구리 표면, 알루미늄 표면, 금 표면 또는 스테인리스강 표면인, 방법.
- 기판에 금속 패턴을 형성하는 방법으로서,
구리 염, 철 염, 크롬 황산, 과황산염, 아염소산나트륨 및 과산화수소로 이루어진 군으로부터 선택된 무기 활성화제를 금속 표면에 도포하여 기판의 금속 표면을 활성화시키는 단계;
상기 금속 표면을 화학적으로 활성화한 후, 아크릴레이트, 포스페이트, 술포네이트 또는 이들의 조합을 포함하는 잉크를 상기 금속 표면에 잉크젯 프린팅하는 단계;
상기 금속 표면의 구리 이온과 상기 잉크의 성분을 반응시켜 상기 금속 표면의 부분을 덮는 레지스트를 생성하는 단계;
상기 레지스트에 의해 덮이지 않은 상기 금속 표면의 부분을 제거하기 위해 에칭 공정을 수행하는 단계; 및
상기 레지스트를 제거하여 금속 패턴을 형성하는 단계를 포함하고, 상기 금속 패턴은 각각 50 마이크론 미만의 폭을 갖는 금속 라인들을 포함하는, 방법. - 제17항에 있어서, 상기 잉크는 염료를 더 포함하는, 방법.
- 제17항에 있어서, 용매를 사용하여 상기 금속 표면으로부터 상기 무기 활성화제를 제거하는 단계를 더 포함하는, 방법.
- 제17항에 있어서, 상기 금속 표면과 반응하는 상기 잉크의 성분이 음이온성 중합체인, 방법.
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