KR102181868B1 - 와이어의 표면에 미세 패턴을 형성하는 방법 - Google Patents
와이어의 표면에 미세 패턴을 형성하는 방법 Download PDFInfo
- Publication number
- KR102181868B1 KR102181868B1 KR1020200076900A KR20200076900A KR102181868B1 KR 102181868 B1 KR102181868 B1 KR 102181868B1 KR 1020200076900 A KR1020200076900 A KR 1020200076900A KR 20200076900 A KR20200076900 A KR 20200076900A KR 102181868 B1 KR102181868 B1 KR 102181868B1
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- South Korea
- Prior art keywords
- wire
- fine pattern
- forming
- nanoparticle solution
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
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Abstract
본 발명에 따르면, 수십 내지 수백 마이크로 스케일의 직경을 갖는 미세 와이어의 표면에 수 마이크로 내지 수십 마이크로 수준의 미세 전극 패턴을 형성하는 것이 가능하다. 또한, 긴 초점 심도를 갖는 레이저 광학계를 이용하기 때문에 레이저의 초점을 미세하게 조절하지 않고도 간단하고 빠른 공정으로 곡률을 갖는 와이어의 표면에 미세 패턴을 균일한 두께로 형성할 수 있다.
Description
도 2는 본 발명의 또 다른 바람직한 실시 형태에 따른 와이어의 표면에 미세 패턴을 형성하는 방법의 공정 순서도를 나타낸다.
도 3(a)는 베셀 빔의 원리를 도시한 도면이다.
도 4(b)는 베셀 빔을 구현하기 위한 광학계의 개념도를 나타낸다.
도 4는 2축 스캐너와 F-theta 렌즈를 이용한 본 발명의 예시적인 광학계의 구성을 도시한 것이다.
도 5는 대물렌즈를 이용한 본 발명의 또 다른 예시적인 광학계의 구성을 도시한 것이다.
도 6은 와이어의 표면에 도포된 나노입자 용액에 베셀 빔의 초점을 적용시켜 나노입자를 소결시키는 공정을 도시한 것이다.
도 7은 와이어의 전체 면에 미세 패턴을 형성하는 공정을 도시한 것이다.
도 8은 본 발명의 방법에 따른, 와이어의 표면에 미세 패턴을 형성하는 공정을 예시적으로 도시한 것이다.
도 9는 본 발명의 예시적인 실시 형태에 따른 와이어 이동 장치(100)를 나타낸다.
도 10는 본 발명의 예시적인 실시 형태에 따른 와이어 마운팅 부재(110)를 나타낸다.
도 11은 본 발명의 예시적인 실시 형태에 따른 와이어 고정 장치(200)를 나타낸다.
도 12는 본 발명의 방법에 따라, 와이어의 표면에 미세 전극 패턴이 형성된 이미지를 나타낸다.
110 와이어 마운팅 부재 111 V 홈부
112 가압고정부
120 장력 유지 부재
130 회전 스테이지
140 x-y 스테이지
200 와이어 고정 장치
210 와이어 마운팅 부재
220 장력 유지 부재
221 고정 블록 222 마운트 어댑터
223 LM 가이드 224 가압실린더
W 와이어
Claims (20)
- 와이어에 나노입자 용액을 도포하여 상기 와이어의 표면에 나노입자 용액층을 형성하는 단계; 및
상기 나노입자 용액층에 베셀 빔(bessel beam) 레이저를 조사하여 나노입자의 소결을 유도함으로써 상기 와이어 표면에 미세 패턴을 형성하는 단계
를 포함하는, 와이어의 표면에 미세 패턴을 형성하는 방법으로서,
상기 와이어의 직경이 1㎛ 이상인 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 나노입자 용액층 형성 단계 이전에,
와이어의 양 말단을 고정하는 단계를 더 포함하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 나노입자 용액층 형성 단계 이후에,
와이어의 양 말단을 고정하는 단계를 더 포함하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 와이어의 표면에 미세 패턴을 형성하는 단계 이후,
상기 와이어의 미세 패턴이 형성되지 않은 영역이 베셀 빔 레이저의 초점 위치하도록 상기 와이어를 회전시키는 단계; 및
상기 나노입자 용액층에 베셀 빔(bessel beam) 레이저를 조사하여 나노입자의 소결을 유도함으로써 상기 와이어의 표면에 미세 패턴을 형성하는 단계
를 반복하는 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 와이어의 표면에 미세 패턴을 형성하는 단계 이후,
잔류한 나노입자 용액을 제거하는 단계를 더 포함하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 2 항에 있어서,
상기 나노입자 용액의 도포가 딥 코팅(dip coating)에 의해 수행되는 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 3 항에 있어서,
상기 나노입자 용액의 도포가 스프레이 코팅(spray coating) 또는 잉크젯 코팅(inkjet coating)에 의해 수행되는 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 와이어의 직경이 1㎛ 내지 10mm인 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 나노입자 용액의 나노입자의 함량이 5 내지 35중량%인 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 나노입자 용액의 점도가 10 내지 200cP인 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 나노입자가 구리(Cu), 알루미늄(Al), 크롬(Cr), 니켈(Ni), 금(Au), 은(Ag), 코발트(Co), 철(Fe), 파라듐(Pd), 백금(Pt), 티타늄(Ti), 아연(Zn) 및 실리카로 구성된 군에서 선택된 1종 이상인 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 나노입자 용액이 나노입자를 증류수, 탈이온수, 이소프로판올(isopropanol), 에탄올(ethanol), 메탄올(methanol), 부탄올(butanol), 프로판올(propanol), 글리콜에테르(glycol ether), 아세톤(acetone), 톨루엔(toluene), 디클로로메탄(Dichloromethane), 테트라하이드로퓨란(Tetrahydrofuran, THF) 및 디메틸포름아미드(dimethyformamide)로 구성된 군에서 선택된 1종 이상의 용매에 분산 또는 용해시킨 것임을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 와이어의 표면에 상기 나노입자 용액층을 10nm 내지 1mm의 두께로 도포하는 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 와이어의 위치가 고정된 상태에서, 베셀 빔 레이저의 초점을 이동하여 상기 나노입자 용액층의 미리 예정된 영역에 레이저를 조사하는 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 베셀 빔 레이저의 초점 위치가 고정된 상태에서, 와이어의 위치를 이동하여 상기 나노입자 용액층의 미리 예정된 영역에 레이저를 조사하는 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항에 있어서,
상기 레이저의 출력이 1 내지 10W인 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 2 항 또는 제 3 항에 있어서,
상기 와이어를 고정하는 단계는, 와이어에 일정한 장력이 유지되도록 양 말단을 잡아당기는 것을 특징으로 하는, 와이어의 표면에 미세 패턴을 형성하는 방법. - 제 1 항 내지 제 16 항 중 어느 한 항의 방법으로 제조되고, 표면에 미세 패턴이 형성된 와이어.
- 제 18 항에 따른 와이어를 포함하는 센서(sensor).
- 제 19 항에 있어서,
상기 센서가 체내 삽입용 유량 센서 또는 온도 센서인 것을 특징으로 하는, 센서.
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KR20240003577A (ko) * | 2022-07-01 | 2024-01-09 | 국민대학교산학협력단 | 레이저를 이용하여 친수성-소수성 하이브리드 표면을 제조하는 방법 및 이에 의해 제조된 친수성-소수성 하이브리드 표면 구조체 |
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