[특허]Heat insulating stamper structure

Heat insulating stamper structure 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G11B-007/26
출원번호	UP-0582018 (2005-10-19)
등록번호	US-7704066 (2010-05-20)
우선권정보	JP-2004-306272(2004-10-21)
국제출원번호	PCT/JP2005/019642 (2005-10-19)
§371/§102 date	20060607 (20060607)
국제공개번호	WO06/043708 (2006-04-27)
발명자 / 주소	Fujita, Shigeru Kotaka, Kazuhiro Tanaka, Nobuhiro
출원인 / 주소	Ricoh Company, Ltd.
대리인 / 주소	Dickstein Shapiro LLP
인용정보	피인용 횟수 : 0 인용 특허 : 36

초록 ▼

A heat insulating stamper is disclosed. The heat insulating stamper includes an uppermost section made of a metal material, a lowermost section made of the same material as the uppermost section, and a middle section having a heat conductivity lower than the uppermost section. The middle section inc

대표청구항 ▼

The invention claimed is: 1. A heat insulating stamper with a pattern on a surface, comprising: an uppermost section made of a metal material; a lowermost section made of a metal material; and a middle section having a heat conductivity lower than the uppermost section, wherein the metal material of the lowermost section is same as the metal material of the uppermost section, and wherein heat insulating portions are dispersed in a metal material forming the middle section, and a concentration of the heat insulating portions is higher in a region of the middle section directly below the uppermost section than in other regions of the middle section and lowers toward the lowermost section such that only the metal material forming the middle section exists on the lowermost section. 2. The heat insulating stamper as claimed in claim 1, wherein the heat insulating portions include heat resisting substances dispersed in the metal material of the middle section. 3. The heat insulating stamper as claimed in claim 1, wherein the heat insulating portions are defined by minute voids present within the metal material of the middle section. 4. The heat insulating stamper as claimed in claim 1, wherein the middle section is in the form of a layer interposed between the uppermost section and the lowermost section; and the heat resisting substances are dispersed in the metal material of middle section such that concentration of the heat resisting substances varies at least in a depth direction of the layer. 5. The heat insulating stamper as claimed in claim 1, wherein the metal material includes Ni. 6. The heat insulating stamper as claimed in claim 2, wherein the heat resisting substances include at least one of a heat resisting resin and a heat resisting inorganic material. 7. The heat insulating stamper as claimed in claim 6, wherein the heat resisting resin includes at least one of particles of a fluorinated resin (PTFE: polytetrafluoroethylene, PFA: perfluoroalkoxy resin, ETFE: tetrafluoretilen, PVDF: polyvinylidene fluoride), aromatic polyimide particles, aromatic polyamide particles, and silicon resin particles. 8. The heat insulating stamper as claimed in claim 6, wherein the heat resisting inorganic material includes at least one of zirconia series, alumina series, silicon carbide series, and silicon nitride series.

이 특허에 인용된 특허 (36)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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