KR20200134526A - 면도날 및 면도날 제조방법 - Google Patents
면도날 및 면도날 제조방법 Download PDFInfo
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- 229910052796 boron Inorganic materials 0.000 claims description 70
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 58
- 229910052804 chromium Inorganic materials 0.000 claims description 49
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 33
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- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
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Abstract
또한, 코팅층 내에 두께 방향의 서로 다른 위치에서 두 가지 물질에 대한 구성비가 상이한 영역을 용이하게 형성할 수 있으므로, 하나의 코팅층으로 코팅의 내구성 강화 및 접착력 향상 등의 효과를 동시에 얻을 수 있는 장점이 있다.
Description
도 2는 기존의 복합단일타겟을 나타내는 개념도이다.
도 3은 본 발명의 일 실시예에 따른 면도날 에지에 경질박막층을 증착하기 위한 스퍼터링 타겟을 나타내는 개념도이다.
도 4는 본 발명의 일 실시예에 따른 면도날의 경질박막층을 증착하는 진공챔버 내의 구성을 나타내는 개념도이다.
도 5는 본 발명의 일 실시예에 따른 이종 재질이 결합된 복합단일타겟에 의한 증착 과정을 설명하는 개념도이다.
도 6은 본 발명의 일 실시예에 따른 두께 방향으로 이종 재질의 구성비가 변화하도록 형성된 단일층을 나타내는 단면도이다.
도 7은 본 발명의 제1실시예에 따른 면도날의 경질박막층의 단면도이다.
도 8은 본 발명의 제2실시예에 따른 경질박막층의 단면도이다.
도 9는 본 발명의 제3실시예에 따른 면도날의 경질박막층의 단면도이다.
도 10은 본 발명의 제1실시예에 따라 코팅된 경질박막층의 성분별 구성비를 코팅층 표면으로부터 깊이 방향으로 분석한 결과이다.
도 11은 본 발명의 제2실시예에 따라 코팅된 경질박막층의 성분별 구성비를 코팅층 표면으로부터 깊이 방향으로 분석한 결과이다.
도 12는 본 발명의 제3 실시예에 따라 코팅된 경질박막층의 성분별 구성비를 코팅층 표면으로부터 깊이 방향으로 분석한 결과이다.
Claims (20)
- 면도날 에지가 형성되는 면도날 모재;
상기 면도날 모재 상에 코팅된 경질박막층으로서, 상기 경질박막층은 크롬 및 붕소를 포함하고, 두께 방향으로 상기 크롬 대 붕소의 원자 개수 조성비율(atomic percent composition ratio)이 변화하도록 형성된, 경질박막층; 및
상기 경질박막층 상에 형성되는 수지코팅층을 포함하는 면도날. - 제1항에 있어서,
상기 경질박막층은 단일층인 면도날. - 제1항에 있어서,
상기 경질박막층은,
상기 면도날 모재에 접하는 상기 경질박막층의 내측에 인접하여 상기 크롬 대 붕소의 원자 개수 조성비율이 제1비율로 분포된 제1영역을 포함하고,
상기 경질박막층의 외측에 인접하여 상기 크롬 대 붕소의 원자 개수 조성비율이 상기 제1 비율과 상이한 제2비율로 분포된 제2영역을 포함하는 면도날. - 제3항에 있어서,
상기 제1비율은 상기 제2비율보다 커서, 상기 붕소는 상기 제1비율보다 상기 제2비율에 더 큰 비율로 포함된 면도날. - 제4항에 있어서,
상기 경질박막층은,
상기 경질박막층의 내측에서 외측 방향으로 상기 붕소의 비율이 점진적으로 증가하여 상기 크롬 대 붕소의 원자 개수 조성비율이 연속적으로 감소하는 구조인 면도날. - 제3항에 있어서,
상기 제1영역에서 상기 크롬 대 붕소의 원자 개수 조성비율이 9:1 이상인 면도날. - 제3항에 있어서,
상기 제2영역에서 상기 크롬 대 붕소의 원자 개수 조성비율이 8:2 내지 5:5인 면도날. - 제3항에 있어서,
상기 경질박막층은,
상기 수지코팅층에 인접하여 상기 크롬 대 붕소의 원자 개수 조성비율이 상기 제2 비율과 상이한 제3비율로 분포된 제3영역으로서, 상기 제2 영역보다 상기 경질박막층의 외측에 배치되는, 제3 영역을 더 포함하는 면도날. - 제8항에 있어서,
상기 제3영역에서 상기 크롬 대 붕소의 원자 개수 조성비율이 9:1 이상인 면도날. - 제1항에 있어서,
상기 경질박막층 내의 전체 크롬 대 붕소의 원자 개수 조성비율은 9:1 내지 6:4인 면도날. - 제1항에 있어서,
상기 경질박막층의 두께는 10 내지 1000 nm인 면도날. - 제1항에 있어서,
상기 수지코팅층은 PTFE(PolyTetraFlouroEthylene)로 이루어진 면도날. - 제3항에 있어서,
상기 제1영역은 상기 크롬 대 붕소의 원자 개수 조성비율이 9:1인 영역을 포함하고,
상기 제2영역은 상기 크롬 대 붕소의 원자 개수 조성비율이 6:4인 영역을 포함하는 면도날. - 제8항에 있어서,
상기 제1영역은 상기 크롬 대 붕소의 원자 개수 조성비율이 9:1인 영역을 포함하고,
상기 제2영역은 상기 크롬 대 붕소의 원자 개수 조성비율이 7:3인 영역을 포함하며,
상기 제3영역은 상기 크롬 대 붕소의 원자 개수 조성비율이 9:1인 영역을 포함하는 면도날. - 면도날 모재를 열처리하는 열처리 과정;
열처리된 면도날 모재를 연마하여 면도날 에지를 형성하는 에지 형성과정;
금속과 붕소가 기계적으로 결합하여 혼재된 단일 스퍼터 타겟(sputter target)을 이용하여 상기 면도날 에지가 형성된 상기 열처리된 면도날 모재 상에 물리적 기상 증착(PVD: physical vapor deposition)에 의해 경질박막층을 형성하되, 상기 경질박막층은 두께 방향으로 상기 금속 대 붕소의 원자 개수 조성비율(atomic percent composition ratio)이 변화하도록 형성되는, 경질박막층 형성과정; 및
상기 경질박막층 상에 수지코팅층을 형성하는 수지코팅층 형성과정
을 포함하는 면도날 제조방법. - 제15항에 있어서,
상기 경질박막층은,
단일층으로 형성되고,
상기 스퍼터 타겟에 대해 상기 면도날 모재가 증착되며 이동하는 방향으로 상기 스퍼터 타겟 내 상기 금속과 상기 붕소의 면적비를 조절함으로써, 두께 방향의 상기 금속 대 붕소의 원자 개수 조성비율이 다르게 형성되는 면도날 제조방법. - 제15항에 있어서,
상기 금속은 Cr, Ni, Ti, W, Nb 중 어느 하나인 면도날 제조방법. - 제15항에 있어서,
상기 경질박막층 형성과정은,
상기 면도날 모재에 접하는 상기 경질박막층의 내측에 인접하여 상기 금속 대 붕소의 원자 개수 조성비율이 제1비율로 분포된 제1영역을 포함하도록 형성되고,
상기 제1영역에서 상기 금속 대 붕소의 원자 개수 조성비율이 9:1 이상인 면도날 제조방법. - 제18항에 있어서,
상기 경질박막층 형성과정은,
상기 경질박막층의 외측에 인접하여 상기 금속 대 붕소의 원자 개수 조성비율이 상기 제1비율과 상이한 제2비율로 분포된 제2영역을 포함하도록 형성되고,
상기 제2영역에서 상기 금속 대 붕소의 원자 개수 조성비율이 8:2 내지 5:5인 면도날 제조방법. - 제15항에 있어서,
상기 경질박막층 형성과정은,
상기 수지코팅층에 인접하여 상기 금속 대 붕소의 원자 개수 조성비율이 제3비율로 분포된 제3영역을 더 포함하도록 형성되고,
상기 제3영역에서 상기 금속 대 붕소의 원자 개수 조성비율이 9:1 이상인 면도날 제조방법.
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