KR20070089489A - 사출성형법을 이용한 알루미나-지르코니아 캐필러리의제조방법 및 이를 이용한 와이어 본딩용 캐필러리 - Google Patents
사출성형법을 이용한 알루미나-지르코니아 캐필러리의제조방법 및 이를 이용한 와이어 본딩용 캐필러리 Download PDFInfo
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Abstract
Description
특성/소재 | 본 발명의 의한 캐필러리 |
주원료 | 알루미나-지르코니아 |
조성(wt%) | Al2O3:70 ~ 95wt% ZrO2:5~ 30wt% |
소결밀도(g/cm3) | (99.5~99.9%) |
경도(GPa) | 17.00 ~ 19.00 |
탄성율(GPa) | 270~300 |
파괴인성 (MPa·m1/2) | 5.0 ~ 6.0 |
색깔 | 흰색 |
Grain Size(ㅅm) | 알루미나 : 0.4~0.7 지르코니아 : 0.2 ~ 0.4 |
Claims (13)
- 미세 알루미나 분말을 70중량% 내지 95중량%, 지르코니아 분말 5중량% 내지 30중량%가 혼합된 미세 알루미나-지르코니아 복합분말 75중량% 내지 85중량%와, 에틸렌 수지류 5중량% 내지 20중량% 및 왁스류 5중량% 내지 10중량%로 이루어진 바인더와 혼합하는 슬러리 조성단계와;상기 슬러리 조성단계에서 조성된 슬러리를 사출성형방식에 의해 캐필러리 형상의 성형체를 성형하는 캐필러리 성형단계와;상기 캐필러리 성형단계에서 성형된 성형체에 포함된 바인더를 제거하기 위해 상기 성형체를 탈지로 내부에 투입하여 150℃ 내지 600℃까지 순차적으로 가열시키고 자연 냉각하여 바인더를 제거시키는 디바인딩단계와;상기 디바인딩단계에서 바인더가 제거된 캐필러리 성형체를 1300℃ 내지 1600℃의 온도로 순차적으로 가열하고 자연 냉각하여 소결시키는 소결단계와;상기 소결단계에서 소결된 캐필러리 성형체의 조직의 치밀화 및 기공결함의 제거를 위해 상기 소결된 캐필러리 성형체를 소정 압력이 가해진 조건하에 1250℃ 내지 1500℃까지 순차적으로 가열하고 자연 냉각시키는 열간정수압소결(HIP)단계를 포함하여 이루어지는 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 1 항에 있어서,상기 미세 알루미나 분말은 입자 크기가 0.1㎛ 내지 0.3㎛인 입도를 가지는 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법
- 제 1 항에 있어서,상기 지르코니아 분말은 입자 크기 0.1㎛ 내지 0.3㎛인 입도를 가지는 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 1 항에 있어서,상기 미세 알루미나-지르코니아 복합분말은 분산제를 소정량 더 혼합하여 48시간을 볼밀링 한 후, 80℃ 내지 100℃에서 24시간 회전 건조하여 제조된 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 4 항에 있어서,상기 분산제는 메탄올 또는 에탄올인 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 1 항에 있어서,상기 미세 알루미나-지르코니아 복합분말은 캐필러리 성형체의 조직의 치밀화를 위해 메쉬(mesh) 크기가 서로 다른 체를 통과한 분말이 소정 비율로 혼합되어 있는 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 6 항에 있어서,상기 미세 알루미나-지르코니아 복합분말은 100메쉬 크기의 체를 통과한 분말이 7중량% 내지 12중량%, 200메쉬 크기의 체를 통과한 분말이 18중량% 내지 23중량%, 325메쉬 크기의 체를 통과한 분말이 38중량% 내지 43중량%, 500메쉬 크기의 체를 통과한 분말이 27중량% 내지 32중량%의 비율로 혼합되어 있는 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 1 항에 있어서,상기 디바인딩단계는 상기 캐필러리 성형단계에서 성형된 성형체를 탈지로 내부에 투입하여 소정속도로 승온시켜 150℃ 내지 220℃의 온도에서 5시간 내지 20시간 동안 그 온도를 유지시키는 제1디바인딩단계와;상기 제1디바인딩단계 후, 소정속도로 승온시켜 280℃ 내지 350℃의 온도에서 5시간 내지 20시간 동안 그 온도를 유지시키는 제2디바인딩단계와;상기 제2디바인딩단계 후, 소정속도를 승온시켜 550℃ 내지 600℃의 온도에서 5시간 내지 20시간 동안 그 온도를 유지시킨 후, 자연 냉각시키는 제3디바인딩단계로 진행되는 것을 특징으로 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 1 항에 있어서,상기 소결단계는 상기 디바인딩단계를 거쳐 바이더가 제거된 캐필러리 성형체를 소정속도로 승온시켜 900℃ 내지 1100℃의 온도에서 1시간 내지 2시간 동안 그 온도를 유지시키는 제1소결단계와;상기 제1소결단계 후, 소정속도로 승온시켜 1300℃ 내지 1600℃의 온도에서 1시간 내지 2시간 동안 그 온도를 유지시킨 다음 소정속도로 900℃까지 냉각한 다음 자연 냉각하는 는 제 2소결단계로 진행되는 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 1 항에 있어서,상기 열간정수압소결(HIP)단계는 500bar 내지 1500bar의 압력이 가해진 조건에서 소정속도로 승온시켜 1250℃ 내지 1500℃의 온도에서 30분 내지 120분 동안 그 온도를 유지시킨 후, 상온까지 자연 냉각하는 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 제조방법.
- 제 1 항 내지 제 10 항 중 어느 한 항에 의한 제조방법으로 제조된 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리.
- 제 11항에 있어서,상기 사출성형법을 이용한 알루미나-지르코니아 캐필러리의 미세구조에는 알루미나 그레인(Grain) 크기가 0.45 ~ 0.65㎛, 지르코니아 그레인(Grain) 크기가 0.2 ~ 0.35㎛입자 크기로 구성된 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아 캐필러리.
- 제 12 항에 있어서,상기 사출성형법을 이용한 알루미나-지르코니아 캐필러리는 상대밀도가 99.5% 내지 99.9%이고, 경도는 17.00GPs 내지 19.00Pa이고, 파과인성이 5.0MPa·m1/2 내지 6.0MPa·m1/ 2 인 것을 특징으로 하는 사출성형법을 이용한 알루미나-지르코니아계 캐필러리.
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KR100932636B1 (ko) * | 2007-12-26 | 2009-12-21 | 비아이 이엠티 주식회사 | 알루미나 복합체 캐필러리의 제조방법 |
KR100966091B1 (ko) * | 2008-09-11 | 2010-06-28 | 창원대학교 산학협력단 | 임펠러 주조용 세라믹 코어 조성 공정 |
KR101896031B1 (ko) * | 2017-07-26 | 2018-10-18 | 주식회사 코스마 | 고강도 와이어 본딩용 캐필러리 제조방법 및 이에 의해 제조된 본딩용 캐필러리 |
KR20190029140A (ko) * | 2017-09-12 | 2019-03-20 | 주식회사 페코텍 | 고강도 및 고경도 와이어본딩용 캐필러리 및 그 제조방법 |
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KR102573024B1 (ko) | 2023-04-26 | 2023-08-31 | 주식회사 페코텍 | 와이어 본딩용 캐필러리 및 그 제조방법 |
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KR100334242B1 (ko) * | 2000-04-17 | 2002-05-03 | 이강열 | 와이어 본딩용 캐필러리 소결제, 이를 이용한 와이어본딩용 캐필러리 소결체의 제조 방법 및 이를 적용한 와이어 본딩용 캐필러리 제조 방법 |
KR100612611B1 (ko) * | 2004-04-09 | 2006-08-14 | 비아이 이엠티 주식회사 | 반도체 조립용 캐필러리의 제조방법 |
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Cited By (4)
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KR100932636B1 (ko) * | 2007-12-26 | 2009-12-21 | 비아이 이엠티 주식회사 | 알루미나 복합체 캐필러리의 제조방법 |
KR100966091B1 (ko) * | 2008-09-11 | 2010-06-28 | 창원대학교 산학협력단 | 임펠러 주조용 세라믹 코어 조성 공정 |
KR101896031B1 (ko) * | 2017-07-26 | 2018-10-18 | 주식회사 코스마 | 고강도 와이어 본딩용 캐필러리 제조방법 및 이에 의해 제조된 본딩용 캐필러리 |
KR20190029140A (ko) * | 2017-09-12 | 2019-03-20 | 주식회사 페코텍 | 고강도 및 고경도 와이어본딩용 캐필러리 및 그 제조방법 |
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