TWI333895B - - Google Patents

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Publication number
TWI333895B
TWI333895B TW094101197A TW94101197A TWI333895B TW I333895 B TWI333895 B TW I333895B TW 094101197 A TW094101197 A TW 094101197A TW 94101197 A TW94101197 A TW 94101197A TW I333895 B TWI333895 B TW I333895B
Authority
TW
Taiwan
Prior art keywords
laminate
sided conductor
heating
polyimide
metal foil
Prior art date
Application number
TW094101197A
Other languages
English (en)
Other versions
TW200602191A (en
Inventor
Kazuya Miyamoto
Akira Tokumitsu
Masakazu Ii
Yoshihiro Shigematsu
Ichiro Higasayama
Masahiro Kanno
Yujiro Nakagawa
Original Assignee
Nippon Steel Chemical Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel Chemical Co filed Critical Nippon Steel Chemical Co
Publication of TW200602191A publication Critical patent/TW200602191A/zh
Application granted granted Critical
Publication of TWI333895B publication Critical patent/TWI333895B/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1432Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface direct heating of the surfaces to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1454Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface scanning at least one of the parts to be joined
    • B29C65/1458Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface scanning at least one of the parts to be joined once, i.e. contour welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1464Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7888Means for handling of moving sheets or webs
    • B29C65/7894Means for handling of moving sheets or webs of continuously moving sheets or webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/001Joining in special atmospheres
    • B29C66/0012Joining in special atmospheres characterised by the type of environment
    • B29C66/0014Gaseous environments
    • B29C66/00141Protective gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/02Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024Thermal pre-treatments
    • B29C66/0242Heating, or preheating, e.g. drying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/03After-treatments in the joint area
    • B29C66/034Thermal after-treatments
    • B29C66/0342Cooling, e.g. transporting through welding and cooling zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint 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
    • B29C66/112Single lapped joints
    • B29C66/1122Single lap to lap joints, i.e. overlap joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45Joining of substantially the whole surface of the articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/71General 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 composition of the plastics material of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/72General 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 structure of the material of the parts to be joined
    • B29C66/723General 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 structure of the material of the parts to be joined being multi-layered
    • B29C66/7232General 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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321General 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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/73General 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
    • B29C66/739General 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
    • B29C66/7392General 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/80General aspects of machine operations or constructions and parts thereof
    • B29C66/83General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411Roller, cylinder or drum types
    • B29C66/83413Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914Measuring 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
    • B29C66/9141Measuring 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
    • B29C66/91411Measuring 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 of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914Measuring 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
    • B29C66/9141Measuring 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
    • B29C66/91441Measuring 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
    • B29C66/91443Measuring 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
    • B29C66/91445Measuring 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 by steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/90Measuring or controlling the joining process
    • B29C66/91Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B29C66/9192Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
    • B29C66/91921Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature
    • B29C66/91941Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to Tg, i.e. the glass transition temperature, of the material of one of the parts to be joined
    • B29C66/91945Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to another temperature, e.g. to the softening temperature or softening point, to the thermal degradation temperature or to the ambient temperature in explicit relation to Tg, i.e. the glass transition temperature, of the material of one of the parts to be joined lower than said glass transition temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/04Layered 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
    • B32B15/08Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0007Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/02Apparatus 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
    • H05K3/022Processes for manufacturing precursors of printed circuits, i.e. copper-clad substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1412Infrared [IR] radiation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/73General 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
    • B29C66/731General 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 intensive physical properties of the material of the parts to be joined
    • B29C66/7311Thermal properties
    • B29C66/73117Tg, i.e. glass transition temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General 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
    • B29C66/73General 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
    • B29C66/731General 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 intensive physical properties of the material of the parts to be joined
    • B29C66/7316Surface properties
    • B29C66/73161Roughness or rugosity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Description

1333895 Π) 九、發明說明 【發明所屬之技術領域】 本發明係有關,適合使用於對應電子機器類之小型化 及輕量化的要求,做爲配線材料之可撓性印刷基板等的兩 面導體聚醯亞胺層積體之連續製造方法者;尤其是有關, 採用壓縮滾筒可穩定生產不產生皺紋,且品質無偏差之滾 筒卷取製品的兩面導體聚醯亞胺層積體之連續製造方法者 【先前技術】 近年來,隨高功能化行動電話、及數位化照相機、導 航器、其他各種電子機器類之小型化與輕量化的進展,所 使用之電子配線材料的可撓性印刷基板(配線基板)之小 型高密度化、多層化、精細化、低介電化等的要求更爲提 高;此可撓性印刷配線基板,已往係以可低溫硬化之黏著 劑將聚醯亞胺薄膜與金屬箔黏合製造而得,有黏著劑層做 爲配線基板之特性降低的問題,尤其有損及聚醯亞胺基底 薄膜之優越的耐熱性及阻燃性等的問題;進而,亦有黏著 劑層之其他問題的配線之電路加工性不良的問題。 具體的有,由於通孔加工時之鑽孔所引起的樹脂污染 、導體通孔加工時之尺寸改變率大的問題等等;尤其於兩 面通孔結構時(以絕緣體層之基底薄膜爲中心,其兩面以 黏著劑介入,將導體之銅箔等黏合形成者等),與單面結 構之可撓性印刷基板相比較,一般而言有其柔軟性低的問 -5- ⑧ (2) (2)1333895 題;另一方面,隨1C之高密度化、印刷配線之精細化及高 密度化,發熱升高,有必要黏合優良導熱體的情況;又, 爲更緊密而小型,亦有將殻體與配線整體化之方法;進而 ,亦有必要電容量不同之配線,亦有必要耐更高溫之配線 材料的情況;因此,有不使用黏著劑,將硬化前之聚胺酸 溶液直接塗佈於銅箔等導體,加熱硬化之可撓性印刷基板 的製造方法之各種提案。 例如,有將硬化物之線膨脹係數爲3.0 X 1 0 - 5以下的 二胺、與四羧酸酐合成之聚胺酸塗佈於金屬箔,加熱硬化 者(例如參照專利文獻1 );將含有具特定結構單位之聚 醯胺醯亞胺前驅體化合物的樹脂溶液,塗佈於導體上而醯 亞胺化者(例如參照專利文獻2 );將含二胺基苯(甲) 醯苯胺或其衍生物之二胺類與芳香族四羧酸反應而得的具 結構單位之絕緣材料的前驅體溶液,直接塗佈於導體上而 硬化者(例如參照專利文獻3 )等等;進而,亦有爲提高 與金屬箔之密著性,使用複數之聚醯亞胺前驅體樹脂溶液 ’在導體上施行複數次之塗佈與乾燥,製造具有複數之聚 醯亞胺樹脂層的可撓性印刷配線用基板之方法的提案(例 如參照專利文獻4 )。 此等可撓性印刷配線基板,係有關不使用黏著劑,僅 於導電性金屬箔之單面側將絕緣體層加熱硬化而黏著的單 面結構者;另一方面,對應於電子機器類之小型化及輕量 化’本發明之工作同仁,有使用先在導電性金屬箔(M| )之單面具有至少三層之聚醯亞胺的單面導體層積體,於 -6 - (3) (3)1333895 其聚醯亞胺層將導電性金屬箔(M2 )加熱加壓而層積之 兩面導體聚醯亞胺層積體的製造方法之提案(例如參照專 利文獻5):如此之兩面導體層層積體,尤其在基板之兩 面可形成配線電路,於高密度實裝已實用化之近年來的各 種領域,大多數均已採用。 專利文獻1 :特開昭6 2 - 2 1 2 1 4 0號公報 專利文獻2 :特開昭6 3 - 8 4 1 8 8號公報 專利文獻3 :特開昭6 3 - 2 4 5 9 8 8號公報 專利文獻4:特公平6-49 1 8 5號公報 專利文獻5 :特開平1 0- 3 23 93 5號公報 【發明內容】 〔發明之揭示〕 在上述之專利文獻5的兩面導體聚醯亞胺層積體之製 造方法中,有採用熱壓縮裝置等之分批方式的具體例之揭 示;在此分批方式之熱壓縮裝置等的稱呼爲熱板之支撑台 上,同時裝載單面導體層積體與導電性金屬箔之組合的複 數層,而加熱壓黏者;通常之加熱,係以配置在熱板內之 電熱器進行;壓力係以油壓使支撑台推上之薄片通過,於 上部支撑台傳送壓力,而維持所定之壓力:如此的熱板之 電熱器的溫度偏差大之故,雖進行各種之修正,尙有因加 熱不足或加熱過量所導致之部份不良處所的情況。 又,同時處理複數層時,由於長時間的加熱促進層積 樹脂層之劣化,係各種產品種類之最適條件狹窄,爲極不 ⑧ (4) (4)1333895 穩定的製程:進而,層積基材由常溫加熱加壓至一定溫度 後冷卻之分批方式的重覆循環之生產,不僅使生產效率降 低,且必要層積基材之切斷操作,於此時容易捲入雜質; 黏附雜質時,層積體全部複製雜質的形狀,大部份引起外 觀不良;因此,強烈要求以連續方式製造品質穩定之兩面 導體聚醯亞胺層積體的方法。 本發明之工作同仁,在先前提案之專利文獻5的兩面 導體聚醯亞胺層積體之製造方法中,替代所採用熱壓縮裝 置等之分批方式,藉由以一對加熱壓縮滾筒加熱壓黏,連 續製造兩面導體聚醯亞胺層積體之方法,然後,進行其檢 討之結果,在引.入壓縮滾筒間之前基材的運輸條件與預熱 方法、及自壓縮滾筒拉出之基材的運輸條件與冷卻方法不 適當時,基材於通過中產生起因於熱膨脹•冷卻收縮之晶 格皺紋、聚焦皺紋等近1 0種之皺紋;又,在滾筒面之平滑 度過高的狀態,基材與滾筒面之密著度太強,於運轉中纏 繞’容易產生多量之複雜皺紋(以下稱爲拖曳紋)或起因 於雜質之凹痕(於製品表面之數十微米的打擊痕)等各種 應解決的問題。 因此,本發明之目的係提供,在聚醯亞胺系樹脂層之 兩面,以不黏著劑介入,將導電性金屬層層積之連續製造 無縱條皺紋等外觀不良的品質穩定之兩面導體聚醯亞胺系 層積體的方法者;又,本發明之另一目的爲提供,製造滾 筒卷取狀態之,尤其是使用者強烈要求的具有優越之配線 電路加工性,且具有做爲配電路基板之優異的耐熱性及可 -8- ⑧ (5) (5)1333895 撓性之兩面導體聚醯亞胺層積體的方法。 本發明之工作同仁,就上述課題經深入探討、不斷硏 究之結果發現,藉由將引入加熱壓縮滾筒間之前的單面導 體層積體與導電性金屬箔(M2 )於特定溫度下預備加熱 ,使用將壓縮滾筒表面經粗糙化處理爲特定之表面粗糙度 (Ra)者,能達成上述之目的;完成本發明。 即,本發明爲如下述之說明者^ (1) 一種兩面導體聚醯亞胺層積體之製造方法,其 特徵爲,在將於導電性金屬箔(M,)上具有基底層、中 間主層、上層之至少三層的聚醯亞胺系樹脂層之單面導體 層積體、與導電性金屬箔(M2)所成之基材,連續引入 一對加熱壓縮滾筒間,藉由將於上述上層之導電性金屬箔 (M2)加熱壓黏而層積整體化的兩面導體聚醯亞胺層積 體之製造方法中,將引入加熱壓縮滾筒間之前的單面導體 層積體與導電性金屬箔(M2 ),分別在20(TC以上至上層 之聚醯亞胺系樹脂的玻璃轉移點以下預備加熱後,接觸於 加熱壓縮滾筒表面。 (2 )上述本發明中,一對加熱壓縮滾筒表面係經粗 糙化處理,平均表面粗糙度(Ra)爲0.01〜5 v m ;在惰性 氣體大氣下壓縮滾筒之表面溫度設定爲340〜390 °C、壓縮 滾筒間之線壓爲50〜500 kg/cm( 490〜4900 N/cm)、 通過時間爲2〜5秒鐘之條件下,加熱壓黏較爲適合。 (3)上述本發明中,單面導體層積體與導電性金屬 箔(M2 )係由滾筒卷取狀態拉出,分別經由中心軸的高 -9- ⑧ (7) (7)1333895 基鋁、鋁螯合劑、矽烷偶合劑等化學或機械之表面處理亦 可。 在導電性金屬箔(M2 )之單面上,不採用黏著劑, 使絕緣體層之聚醯亞胺系樹脂加熱硬化而黏著之單面導體 層積體’可使用上述專利文獻1〜4及5所揭示之眾所周知 者;做爲絕緣體層使用之聚醯亞胺系樹脂,係具有醯亞胺 環結構之樹脂的總稱,有例如聚醯亞胺、聚酿胺酿亞胺、 聚酯醯亞胺等等;然後,聚醯亞胺系樹脂層,可使用如上 述專利文獻1〜4記載之低熱膨脹性者,及加熱時熔融或軟 化之熱塑性聚醯亞胺等,沒有特別的限制;但是,尤其適 合之絕緣體層,係由專利文獻5記載之聚醯亞胺前驅體樹 脂溶液加熱硬所得的熱塑性聚醯亞胺系樹脂而成之基底層 、與由低熱膨脹性聚醯亞胺系樹脂所成之中間主層、及由 熱塑性聚醯亞胺系樹脂而成之上層的至少三層之聚醯亞胺 系樹脂層所成者,較爲適合。 於此,形成中間主層之低熱膨脹性聚醯亞胺系樹脂, 其線膨脹係數以3 Ο X 1 0 - 6 ( 1 / °C )以下較適合,薄膜之 耐熱性、可撓性中以具有優越性能者爲佳;於此,線膨脹 係數係使用醯亞胺化反應充分完成後之試料,採用熱機構 分析器(TMA )升溫至250°C後,以l〇°C /分鐘之速度冷 卻,求出在240〜100 °C之範圍的平均線膨脹係數者;具有 如此性質之低熱膨脹性聚醯亞胺系樹脂的具體例,以上述 專利文獻5記載之具有下述一般式(I )所示的單位結構之 聚醯亞胺系樹脂,較爲適合。 -11 - 1333895
(式中,R i〜R4爲低級烷基、低級烷氧基、 氫原子。) 又,基底層或上層所使用之熱塑性聚醯亞月I 只要其玻璃轉移點爲3 5 0 °C以下者,任何結構均 加熱加壓下壓黏之際,其界面具有充分之黏著強 ;於此所謂熱塑性聚醢亞胺系樹脂’係指在玻瑪 上之通常狀態,不一定顯示充分流動性亦可’色 可黏著者;具有如此之性質的熱塑性聚醯亞胺系 體例有,上述專利文獻5記載之具有以下述一座 及一般式(ΠI )表示的單位結構者。 c(y (式中,Ar,爲二價之芳香族基,其碳數爲 X0. •C0 订 s〇OTc>, CO, (式中,Ar2爲二價之芳香族基,其碳數爲 於此,二價之芳香族基An或A r2的具體例有 (I) 鹵原子或 系樹脂, 可;以在 度者爲佳 轉移點以 含經加壓 樹脂之具 :式(II )(I) 1 2以上。(I) 1 2以上。 ,例如, -12- ⑧ 1333895 ' Ο) -^-CO-NH-0- s Ό·〇Ο~°-0-ν -^•〇^-s〇zO°O~s Ό·°Ό·°Ό· CH3
等等;以下述者較爲適合。
p-s〇2-Q 又’單面導體層積體之製造方法,係如上述專利文獻 4及5之記載,在聚醒亞胺前驅體溶液或聚醯亞胺溶液中, 加入眾所周知的酸酐系或胺系硬化劑等硬化劑、矽烷偶合 劑、鈦酸酯偶合劑、環氧化合物等黏著性賦予劑、橡膠等 ® 可撓性賦予劑等各種添加劑或催化劑,塗佈於導電性金屬 箔(M!)上;接著,藉由熱處理熱硬化,即得單面導體 層積體:還有,單面導體層積體,以在導電性金屬箔( Μ !)上將基底層之熱塑性聚醯亞胺系樹脂層層積,於中 間主層將低熱膨脹性聚醯亞胺系樹脂層層積,進而將上層 (最表面層)之熱塑性聚醯亞胺系樹脂層層積,較爲適合 ;於此,在中間主層不含低熱膨脹性聚醯亞胺系樹脂層時 ,於加熱硬化步驟所得之單面導體層積體的翹曲、卷邊增 大,以後之步驟的操作性顯著降低;又,上層(最表面層 -13 - (10) (10)1333895 )不含熱塑性聚醯亞胺系樹脂層時,於加熱壓黏滾筒步驟 之與導電性金屬箔的熱壓黏,不能充分發揮黏著力,極不 適合。 其時,低熱膨脹性聚醯亞胺系樹脂層之厚度t !與熱塑 性聚醯亞胺系樹脂層之厚度12的厚度比(t2 ),爲2〜 100之範圍,以5〜20之範圍更適合。 此厚度比(t2 )小於2時,聚醯亞胺系樹脂層全體 之熱膨脹係數,與金屬箔相比過高,於此第一步驟所得之 單面導體層積體的翹曲、卷邊增大,使第二步驟之操作性 顯著降低;又,熱塑性聚醯亞胺系樹脂層之厚度t2過小, 其厚度比(q/h)超過100時,第二步驟之熱壓黏的黏著 力充足,產生不能發揮之情況。 此等複數之聚醯亞胺系樹脂對導電性金屬箔(ivh) 上的塗佈,雖能以其樹脂溶液之型態施行,但以如上述專 利文獻4及5記載之以其前驅體溶液的型態,將複數之前驅 體溶液總括或逐次的塗佈,或於聚醯亞胺閉環溫度以下之 脫溶劑處理後,總括進行對前驅體之聚醯亞胺的加熱轉換 ’較爲適合,在完全轉換爲聚醯亞胺之層上,更塗佈另外 之聚醯亞胺系前驅溶液,經熱處理而醯亞胺閉環時,各聚 醯亞胺系樹脂層間之黏著力有不能充分發揮之情況,成爲 使製品之兩面層積體的品質降低之原因。 在導電性金屬箔(M,)上,塗佈聚醯亞胺系樹脂溶 液或其前驅體溶液(聚胺酸溶液),可使用例如刮板塗佈 器、模頭塗佈器、滾筒塗佈器、幕帷塗佈器等藉由眾所周 -14- (11) 1333895 知的方法施行;尤其施行厚塗時,以使用模頭塗佈器或刮 板塗佈器爲宜:又,塗佈使用之聚醯亞胺系前驅體溶液的 .. 聚合物濃度’隨聚合物之聚合度而異,通常爲5〜30重量 ' % ’以10〜20重量%更適合;聚合物濃度低於5重量%時 ,以一次塗佈不能獲得充分之膜厚;又,高於3 〇重量%時 ,溶液黏度過高,難以塗佈。 以均勻之厚度塗佈於導電性金屬箔的聚胺酸溶液,其 次,經熱處理去除溶劑,進而醯亞胺閉環;此情況以高溫 激烈進行熱處理時,於樹脂表面生成被膜層使溶劑難以蒸 發’且發泡之故。以緩慢由低溫上升至高溫同時進行熱處 ' 理較爲適合;此時之最終熱處理溫度,通常以3 00〜400°C • 爲佳;於400°C以上時,徐徐引起聚醯亞胺之熱解;又’ 於30(TC以下時,聚醯亞胺被膜不能充分定向於導電性金 屬箔上,難以獲得平面性優越之單面導體層積體;如此形 成之做爲絕緣體的聚醯亞胺系樹脂層的全體厚度,通常爲 1 0 〜1 5 0 // m。 依圖式詳細說明如下:圖1爲,將本發明之單面導體 - 層積體與導電性金屬箔(M2)引入一對壓縮滾筒間’藉 . 由加熱壓黏層積整體化之兩面導體聚醯亞胺層積體的製造 方法槪略圖;圖2爲表示預備加熱用導向滾筒之一例的槪 略縱剖面圖;圖3爲表示壓縮滾筒之一例的槪略縱剖面圖 〇 圖1中,將在如上所述之導電性金屬箔(M 1 )的單面 上由聚醯亞胺系樹脂所成之絕緣體層加熱硬化而黏著的單 -15- (12) (12)1333895 面導體層積體1、與導電性金屬箔(M2),一起由滾筒卷 曲狀態連續拉出’經複數之導向滾筒3、3 >、4、4/等’ 以提高平面性後之狀態施行預備加熱後’以接觸於一對加 熱壓縮滾筒5、6之表面的狀態’通過壓縮滚筒間之加壓點 ,藉由將導電性金屬箔(M2)加熱壓黏於上述單面導體 層積體1之上層,層積整體化’形成兩面導體聚醯亞胺層 積體7後,以吹送適合於冷卻用之惰性氣體等冷卻方法設 施C預備冷卻,經複數之導向滾筒8、8 > ,於外氣中再加 以冷卻,即得卷取製品9。 於此’複數之導向滾筒3、3' 、4、4 — 、8、8'等及 一對加熱壓縮滾筒5、6,爲防止導電性金屬箱之氧化,配 置於保持在大氣壓以上之氮氣等惰性氣體大氣下的處理室 10內,而且在基材引入口及層積體之排出口的設置密封機 構(迷宮式密封)1 1較爲適合;於此,由滾筒卷曲狀態連 續拉出之單面導體層積體1、與導電性金屬箔(Μ2) 2, 在引入處理室10內(圖中未顯示)之前,分別經由中心軸 之高度相異的複數之導向滾筒,於拉伸狀態提高平面性, 較爲適合;又,自處理室10拉出之兩面導體聚醯亞胺層積 體,亦在成爲滾筒卷曲製品9之前(圖中未顯示),分別 經由中心軸之高度相異的複數之導向滾筒,於拉伸狀態降 低表面溫度,較爲適合。 尤其,本發明中以提高平面性後之狀態的預備加熱之 方法’係將於加熱壓縮滾筒5、6之前的導向滾筒3 — 、4一 以內藏型之方法加熱;或在加熱壓縮滾筒之前設置加熱燈 -16- ⑧ (13) (13)1333895 或放射輻射能量之加熱器h ,及h2,預備加熱亦可;於此, 以圖2說明特別適合之內藏型加熱方法的預備加熱用導向 滾筒之一例:圖2中’導向滾筒3 - ( 4 -),係內部爲空 洞之外圍部、與由空洞之兩端突出的中心軸1 2,以配置於 滾筒外圍部之兩端內部的軸承等旋轉支撑構材13介入而整 體化:且滾筒外圍部,係以該旋轉支撑構材1 3使中心軸1 2 旋轉之自由旋轉結構。 又,在滾筒內部之中心軸1 2,以介電加熱使選自加熱 線圈、紅外線加熱器、電阻加熱線圈等放射輻射熱之加熱 控制的方法設施1 4,適當劃分或整體化而定;改變對此等 加熱控制方法設施之流入電流値,可控制對滾筒之內壁面 的照射之輻射熱能量;又,在滾筒外表面附近埋入配置, 塡充導熱性良好之有機熱媒的稱呼爲夾套或加熱管之導熱 元件1 7,藉由加熱控制方法,以照射之輻射熱能量使表面 溫度均勻加熱化:如此之加熱管,由上述中心軸1 2之加熱 方法設施14熱傳送,瞬間傳送至滾筒外表面全體之故,表 面溫度之精確度高,幾乎不產生軸方向之溫度差。 於此,引入加熱壓縮滾筒間之前的單面導體層積體1 與導電性金屬箔(M2 ) 2之預備加熱溫度,爲200 °C以上 、上層樹脂之熱塑性聚醯亞胺系樹脂的玻璃轉移點以下之 溫度,以200〜3 5 0 °C較適合;如此預備加熱滾筒外表面溫 度,以由埋置於滾筒表面之溫度感知器監視,控制供給至 加熱控制方法設施1 4之電流値,使可常時保持於所定之溫 度,較爲適合;不施行預備加熱時,或預備加熱溫度在 -17- (14) 1333895 2 00 °C以下時,使極薄之金屬箔通過加熱壓縮滾筒間 烈升溫壓黏之結果,不僅在層積體之表面產生多數之 紋、橫皺紋、及聚焦雛紋等而導致外觀不良,從黏著 低之點而言,極不適合;又’在玻璃轉移點以上時, 亞胺系樹脂劣化之故,甚不適合。 其次,一對加熱壓縮滾筒5(6),如圖3所示, 上與以圖2說明之內藏型加熱方法的導向滾筒(4 相同’附註符號亦與圖2相同,與圖2說明者同一意義 直徑較大,且加熱方法劃分爲1 4、1 5、1 6等三部份, 拌動力機構(圖中未顯示)強制旋轉的結構之點不相 在壓縮滾筒外表面附近,埋設塡充導熱性良好之有機 的稱呼爲夾套或加熱管之導熱元件17,使表面溫度均 之方法;壓縮滾筒外表面溫度,以熱塑性聚醯亞胺系 之玻璃轉移點以上爲佳,以控制於3 6 0〜3 9 0 °C之範圍 定値更適合;如此之壓縮滾筒外表面溫度,以由埋置 筒表面之溫度感知器監視,控制供給至加熱方法設施 1 5、1 6之電流値,較爲適合。 又,上述一對加熱壓縮滾筒5、6在氮氣大氣下, 中未顯示)以油壓或齒輪之加壓方法使配置往上下的 —方之壓縮滾筒移動至以中心軸1 2之兩側保持之所定 ,施行兩者間隙之調整,對引入之基材1、2,相互傳 自壓縮滾筒之最適宜的加熱力;此時加熱壓縮滾筒間 壓爲 50 〜500 kg / cm ( 490 〜4900 N / cm),以 100 -kg/cm( 980〜2940 N/cm)更適合;於通過時間2- ,激 縱條 性降 聚醯 結構 ;其 以攪 同; 熱媒 勻化 樹脂 的設 於滾 14、 (圖 至少 位置 送來 之線 - 300 '5秒 ⑧ -18- (16) (16)1333895 化之進展,所使用之電子配線材料。 【實施方式】 〔實施例〕 以實施例爲基準,具體的說明本發明之實施型態如下 ;還有’下述之實施例及比較例中’線膨脹係數、單面鑛 銅品之卷邊及黏著力,係以下述之方法測定。 即’線膨脹係數係採用精工電子工業股份有限公司製 之熱機構分析器(TMA 100) ’在升溫至250 °c後,以10 °C/分鐘之速度冷卻,算出於240〜l〇〇°c間之平均線膨脹 係數而求得;單面鍍銅品之卷邊,係測定經熱處理醯亞胺 化後,lOOmmxlOO mm之尺寸的鍵銅品之曲率半徑。 單面鑛銅品之黏者力’係依JIS-C 5016— 7.1項,使用 導體寬3 mm之圖型,以50 mm /分鐘之速度,求出將銅箔 依1 8 0 °的方向拉開時之値。 又,實施例及比較例中,使用下述之簡稱符號。 PMDA:均苯四酸二酐 BTDA: 3、、4、4'-二苯甲酮四羧酸酐 DDE: 4、4一二胺基二苯基醚 MABA : —甲氧基_4、—二胺基苯(甲)醯 苯胺 (合成例1 ) 在玻璃製反應器中通入氮氣’同時加入N,N—二甲 -20- ⑧ (17) (17)1333895 基乙醯胺2532 g,於繼續攪拌下加入〇·5莫耳之DDE、與 0.5莫耳之MABA,使完全溶解;將此溶液冷卻至l〇°C ’少 量多次添加1莫耳之PMDA ’使反應液保持於30°C以下之溫 度,添加完成後繼續於室溫攪拌2小時,完成聚合反應; 所得聚醯亞胺前驅體溶液爲聚合物濃度1 5重量%,B型黏 度計於25°C之黏度爲1〇〇〇 mP · s。 (合成例2 ) 除使用1莫耳之二胺成份的DDE、〗莫耳之酸酐成份的 BTDA以外,與合成例1同樣的進行,即調製成聚醯亞胺前 驅體溶液;所得聚醯亞胺前驅體溶液爲聚合物濃度1 5重量 %,B型黏度計於25°C之黏度爲300 mPa· s。 (層積體之製作) 在35;/m滚筒狀之電解銅箔(日鑛古魯多公司製)的 粗糙面上,使用模頭塗佈器,將合成例2調製之聚醯亞胺 前驅體溶液2均勻塗佈12// m的厚度後,以120°C熱風乾燥 爐連續處理,去除溶劑:其次,於此聚醯亞胺前驅體層上 ’使用逆輥塗佈機,將合成例1調製之聚醯亞胺前驅體溶 液1均勻塗佈200# m的厚度,以120 °C之熱風乾燥爐連續 處理,去除溶劑後;再將合成例2調製之聚醯亞胺前驅體 溶液2均勻塗佈15// m的厚度,接著使用熱風乾燥爐,以 30分鐘由120 °C升溫至360 °C施行熱處理醯亞胺化,即得聚 薩亞胺樹脂層之厚度25" m,無翹曲及卷邊之平均性良好 -21 - ⑧ (18) (18)1333895 的早面鑛銅品a;測定此單面鑛銅品a之銅泊層、與聚釀亞 胺樹脂層之間的1 8 0。剝離強度(n S - C 5 0 1 6 )之結果爲 0.8 kg/ cm,蝕刻後之薄膜的線膨脹係數爲23.5 X 1 0 6 ( 1 / 〇C )。 〔實施例1〕 將合成例調製之單面絕緣體層的鍍銅品之橫寬500 nm 滾筒卷取薄片的樹脂面、無同橫寬尺寸之35#m的滾筒卷 取薄片之壓延銅箔的粗糙面,分別於氮氮大氣下經由導向 滾筒引入一對加熱壓縮滾筒間(外徑爲3 00 mm、寬800 mm’於表面附近埋置灌入萘之夾套式加熱管的均勻加熱 方法設施’於內部之中心軸將介電加熱線圈內藏之結構) ,在引入之前以內藏型加熱方法的導向滾筒(4> )預 備加熱,於加熱壓縮滾筒表面溫度360〜390。(:、壓縮滾筒 間之線壓150〜170 kg/cm、通過時間2〜5秒鐘之範圍內 加熱壓黏;此時’在相同基材材料、相同加熱壓縮滾筒之 條件下,就不施行預備加熱之情況、與改變預備加熱溫度 爲150°C、25 0 °C、及34〇°C之情況,以目視檢測所得兩面 鑛銅品之表面狀態’結果如表1所示。 (19) (19)1333895 表1 預備加熱溫度rc ) 兩面鍍銅品之表面狀態 無預備加熱 不良(產生多數之縱條紋、橫皺紋) 150 不良(產生皺紋) 250 外觀良好(無皺紋) 340 外觀良好(無皺紋) 〔實施例2〕 上述實施例1中,加熱壓縮滾筒之表面設定溫度爲360 °C、壓縮滾筒間之線壓爲150 kg/ cm、通過時間爲3秒, 且引入加熱壓縮滾筒間之基材的預備加熱,分別爲無預備 加熱,250 °C、及340 °C時,加熱壓縮滾筒之表面粗糙度( Ra ),分別改變爲0.01以下,0.05、0·20、10.0// m之4階 段時,以目視檢測所得兩面鍍銅品之表面狀態,結果如表 2所示。 (20) (20)1333895
〔產業上利用性〕 本發明之兩面導體聚醯亞胺層積體的製造方法,係能 以滾筒卷取狀態,連續製造無縱條皺紋等外觀不良、品質 之兩面導體聚醯亞胺系層積體的產業上利用性高之製造方 法。 【圖式簡單說明】 -24 - ③ (21) (21)1333895 圖1爲表示本發明之兩面導體聚醯亞胺層積體的製造 方法之槪略流程圖。 圖2爲表示預備加熱用導向滾筒之一例的槪略縱剖面 圖。 圖3爲表示加熱壓縮滾筒之一例的槪略縱剖面圖。 【主要元件符號說明】 1 單面導體層積體 2 導電性金屬箱 3 導向滾筒 3 ^ 預備加熱用導向滾筒 4 導向滾筒 4 ^ 預備加熱用導向滾筒 5 加熱壓縮滾筒 6 加熱壓縮滚筒 7 兩面導體聚醯亞胺層積體 8 導向滾筒 9 滾筒卷曲製品 I 〇 氮氣大氣之處理室 II 氮氣密封機構 12 中心軸 13 軸承等旋轉支撑構件 14 加熱方法設施 17 加熱管 -25- ⑧

Claims (1)

1333895
十、申請專利範圍 第94 1 0 1 1 97號專利申請案 中文申請專利範圍修正本 民國99年7月5日修正 1. 一種兩面導體聚醯亞胺層積體之連續製造方法, 將由於導電性金屬箔(Μ ,)上具有基底層、中間主層、 上層之至少三層的聚醯亞胺系樹脂層之單面導體層積體, 與導電性金屬箔(Μ2)所成之各自之導入基材,連續引 入一對加熱壓縮滾筒間,藉由將導電性金屬箔(Μ2 )力口 熱壓黏於該上層而層積整體化的兩面導體聚醯亞胺層積體 之製造方法中’其特徵爲將引入加熱壓縮滾筒間之前的單 面導體層積體與導電性金屬箔(Μ2 ),分別在惰性氣體 環境下於2 0 0 °C以上至上層之聚醯亞胺系樹脂的玻璃轉移 點以下預備加熱後,使其與經過比平均表面粗度(Ra ) Ο.ΟΙμιη大至5μπι以下之粗面化處理之加熱壓縮滾筒之表面 接觸。 2. 如申請專利範圍第1項之兩面導體聚醯亞胺層積體 的連續製造方法’其中在該一對加熱壓縮滾筒之表面溫度 爲3 40〜3 9 0 °C、壓縮滾筒間之線壓爲50 kg/ cm〜3 00 kg / c m、通過時間爲2〜5秒鐘之條件下加熱壓黏。 3. 如申請專利範圍第1或2項之兩面導體聚醯亞胺層 積體的連續製造方法,其中該單面導體層積體與導電性金 屬泊(Μ2 ) ’係由滾同卷曲狀態拉出,分別經由中心軸 之高度相異的複數之導向滾筒,以提高平面性後之狀態施[s j 1333895 行預備加熱。 4.如申請專利範圍第1項之兩面導體聚醯亞胺層積體 的連續製造方法,其中該預備加熱係以內藏加熱手段之導 向滾筒施行。 5 .如申請專利範圍第1項之兩面導體聚醯亞胺層積體 的連續製造方法,其中滾筒表面以熱噴塗陶瓷被膜,形成 表面粗糙度(Ra)。 -2
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