KR102478200B1 - 회로 기판 및 그 제조 방법 - Google Patents
회로 기판 및 그 제조 방법 Download PDFInfo
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- KR102478200B1 KR102478200B1 KR1020177011354A KR20177011354A KR102478200B1 KR 102478200 B1 KR102478200 B1 KR 102478200B1 KR 1020177011354 A KR1020177011354 A KR 1020177011354A KR 20177011354 A KR20177011354 A KR 20177011354A KR 102478200 B1 KR102478200 B1 KR 102478200B1
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- liquid crystal
- circuit board
- temperature
- crystal polymer
- thermoplastic liquid
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4626—Manufacturing multilayer circuits by laminating two or more circuit boards characterised by the insulating layers or materials
- H05K3/4632—Manufacturing multilayer circuits by laminating two or more circuit boards characterised by the insulating layers or materials laminating thermoplastic or uncured resin sheets comprising printed circuits without added adhesive materials between the sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
- 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
- H05K3/022—Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/46—Manufacturing multilayer circuits
- H05K3/4611—Manufacturing multilayer circuits by laminating two or more circuit boards
- H05K3/4626—Manufacturing multilayer circuits by laminating two or more circuit boards characterised by the insulating layers or materials
- H05K3/4635—Manufacturing multilayer circuits by laminating two or more circuit boards characterised by the insulating layers or materials laminating flexible circuit boards using additional insulating adhesive materials between the boards
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- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
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- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
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- B29C66/735—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the extensive physical properties of the parts to be joined
- B29C66/7352—Thickness, e.g. very thin
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- B29C66/00—General aspects of processes or apparatus for joining preformed parts
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- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
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- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
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- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
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- B29C66/742—Joining plastics material to non-plastics material to metals or their alloys
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- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
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- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
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- B29C66/91443—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being non-constant over time following a temperature-time profile
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- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
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Abstract
Description
도 1 은 종래 기술에 있어서의 열 압착 공정의 열 이력을 나타내는 개념도이다.
도 2 는 본 발명의 일 실시형태에 관련된, 구조 제어 열 처리를 수반하는 열 압착 공정의 열 이력을 나타내는 개념도이다.
도 3 은 본 발명의 일 실시형태에 관련된 다층 회로 기판의 모식 단면도이다.
도 4 는 본 발명의 다른 실시형태에 관련된 다층 회로 기판의 모식 단면도이다.
1, 2, 3 : 열가소성 액정 폴리머 필름
4 : 도체층
Claims (11)
- 회로 기판의 제조 방법으로서,
적어도 1 종의 열가소성 액정 폴리머 필름을 복수 준비하는 공정과,
상기 복수의 필름의 적어도 1 장에 있어서 필름의 편면 또는 양면 상에 도체층을 형성하여 유닛 회로 기판으로 하는 공정과,
상기 유닛 회로 기판을 포함하는 상기 복수의 필름을 적층하여 적층체를 형성하는 공정과,
상기 적층체를 가압하에서, 층간 접착이 발생하는 제 1 온도까지 가열하여 일체화하는 열 압착 공정과,
상기 제 1 온도에서의 가열 후, 상기 적층체를 가압하면서, 상기 적층체를 상기 제 1 온도보다 저온, 또한 상기 복수의 열가소성 액정 폴리머 필름 중, 융점이 최저인 열가소성 액정 폴리머 필름의 융점보다 저온인 제 2 온도까지 냉각하고, 상기 적층체를 가압하면서, 제 2 온도에서 소정 시간 구조 제어 열 처리를 실시하는 공정을 포함하는, 회로 기판의 제조 방법. - 제 1 항에 있어서,
제 2 온도에서의 구조 제어 열 처리 시간이 15 분 ∼ 90 분인, 회로 기판의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
제 1 온도에서 제 2 온도까지 1 ∼ 8 ℃/분으로 냉각시키는, 회로 기판의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
열 압착시의 제 1 온도가 270 ∼ 320 ℃ 이고, 구조 제어 열 처리시의 제 2 온도가 260 ∼ 290 ℃ 인, 회로 기판의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 적층체의 일부에 있어서, 열가소성 액정 폴리머 필름과 그 편면 또는 양면 상에 형성된 도체층으로 이루어지는 유닛 회로 기판 상에, 열가소성 액정 폴리머 필름과 그 편면에 형성된 도체층으로 이루어지는 유닛 회로 기판을 직접 적층하는, 회로 기판의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 적층체의 일부에 있어서, 열가소성 액정 폴리머 필름과 그 편면 또는 양면 상에 형성된 도체층으로 이루어지는 유닛 회로 기판 2 장을, 열가소성 액정 폴리머 필름으로 이루어지는 본딩 시트를 개재하여 적층하는, 회로 기판의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 도체층을 형성하는 공정에 있어서, 금속박을 열가소성 액정 폴리머 필름에 열 압착하는, 회로 기판의 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
열가소성 액정 폴리머 필름을 준비한 후, 도체층을 형성하기 전의 단계, 열가소성 액정 폴리머 필름과 그 편면 또는 양면에 도체층을 형성한 후이고 적층체 형성 전의 단계, 및 상기 적층체 형성 후 가압 전의 단계에서 선택되는 적어도 하나의 단계에 있어서, 대기 중 또는 불활성 분위기 중 100 ∼ 200 ℃ 의 온도에서 소정 시간 유지, 및/또는 기압 1500 ㎩ 이하의 진공도로 소정 시간 유지하는 것에 의한 탈기 처리를 실시하는, 회로 기판의 제조 방법. - 삭제
- 삭제
- 삭제
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