SE506347C2 - Förfarande och anordning för sammanlimning av substrat till dataskivor - Google Patents
Förfarande och anordning för sammanlimning av substrat till dataskivorInfo
- Publication number
- SE506347C2 SE506347C2 SE9601262A SE9601262A SE506347C2 SE 506347 C2 SE506347 C2 SE 506347C2 SE 9601262 A SE9601262 A SE 9601262A SE 9601262 A SE9601262 A SE 9601262A SE 506347 C2 SE506347 C2 SE 506347C2
- Authority
- SE
- Sweden
- Prior art keywords
- disc elements
- disc
- elements
- pressure chamber
- adhesive
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000000758 substrate Substances 0.000 title claims description 18
- 239000012790 adhesive layer Substances 0.000 claims abstract description 17
- 239000000853 adhesive Substances 0.000 claims abstract description 15
- 230000001070 adhesive effect Effects 0.000 claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining 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
- B29C65/1403—Joining 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
- B29C65/1406—Ultraviolet [UV] radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining 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
- B29C65/1429—Joining 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
- B29C65/1435—Joining 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 at least passing through one of the parts to be joined, i.e. transmission welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining 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
- B29C65/1429—Joining 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
- B29C65/1448—Joining 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 radiating the edges of the parts to be joined, e.g. for curing a layer of adhesive placed between two flat parts to be joined, e.g. for making CDs or DVDs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining 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
- B29C65/1477—Joining 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 making use of an absorber or impact modifier
- B29C65/1483—Joining 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 making use of an absorber or impact modifier coated on the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining 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
- B29C65/1496—Joining 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 making use of masks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
- B29C65/4845—Radiation curing adhesives, e.g. UV light curing adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/324—Avoiding burr formation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/345—Progressively making the joint, e.g. starting from the middle
- B29C66/3452—Making complete joints by combining partial joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General 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
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
- B29C66/452—Joining of substantially the whole surface of the articles the article having a disc form, e.g. making CDs or DVDs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8126—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/81266—Optical properties, e.g. transparency, reflectivity
- B29C66/81267—Transparent to electromagnetic radiation, e.g. to visible light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/81455—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying isostatic pressure
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
- G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
- B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0888—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0888—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds
- B29C35/0894—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds provided with masks or diaphragms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—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
- B29C66/71—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 composition of the plastics material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2069/00—Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
- B29K2995/0027—Transparent for light outside the visible spectrum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2017/00—Carriers for sound or information
- B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
- B29L2017/003—Records or discs
- B29L2017/005—CD''s, DVD''s
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
3G 506 347 2 b) att det andra skivelementet pålâgges centrerat och sammanfallande över det limbelagda skivelementet, c) att skivelementen sammanpressas i en pressenhet, och d) att ett genom sammanpressningen mellan skivelementen bildat tunt limmedelsskikt härdas.
Genom att utföra en noggrann dosering och applicering av ett lim med lämplig viskositet kan man undvika omständlig hantering av överskottslim, och detta i kombination med lämpligt sammanpressningstryck och härdning förhindrar uppkomst av luftinneslutningar mellan skivelementen.
Härdningen av limskiktet kan ske i pressenheten och/eller vid ett ställe utanför denna, exempelvis genom bestrålning av limskiktet med UV-ljus.
Enligt ett särskilt föredraget utförande av förfarandet enligt uppfinningen bestrålas ett radiellt yttre, ringforrnigt kantområde av skivelementen och företrädesvis även ett radiellt inre område av desamma med UV-ljus under skivelementens sammanpressningsfas, varvid limmedlet omedelbart härdar vid de yttre och inre periferiområdena och däri- genom effektivt förhindrar limmedlet att läcka ut från spalten mellan skivelementen.
Föreliggande uppfinning avser även en anordning för sammanlimning av tunna skivele- ment, särskilt substrat till digitala audio-, video- eller dataskivor, såsom CD- eller DVD-skivor, varvid anordningen utmärker sig av att den har ett tryckkammarhus, vilket innefattar dels en bottenplatta för att uppbära ena sidan av skivelementen lagda centrerat och sammanfallande över varandra, dels ett flexibelt tryckmembran, anordnat att kunna anligga mot den andra sidan av skivelementen, dels ett lock, som tillsammans med membranet begränsar en tryckkammare, och dels organ för trycksâttning av tryck- karnmaren med en tryckfluid. Locket alternativt bottenplattan är vid ett lämpligt utförande utformad transparent för att medge UV-bestrålning av limskiktet mellan de sarnmanpressade skivelementen. Denna anordning medger en effektivt samordnad sammanlimning och härdning av skivelementen utan problem med överskottslirn och luftinneslutningar. 506 347 3 Ytterligare särdrag hos anordningen enligt uppfinningen är angivna i de efterföljande osjälvständiga patentkraven.
Uppfinningen beskrives nu närmare nedan under hänvisning till bifogade ritning, på vilken: fig. 1 schematiskt visar ett tvärsnitt genom en pressanordning för samman- limning av två skivelement enligt en första utföringsform av uppfinningen, i en fas omedelbart före sammanpressningen; och fig. 2 schematiskt visar en andra utföringsform av anordningen enligt uppfinningen.
I fig. 1 betecknas generellt med 10 en pressenhet avsedd för sammanlimning av två i verkligheten relativt tunna (0,6 mm tjocka) skivsubstrat 12 av polykarbonat till digitala, s.k. DVD-skivor. Pressenheten 10 innefattar en bottenplatta 14, en tryckkammarvägg 16, ett lock 18 och ett flexibelt tryckmembran 20 infást i väggen 16. Locket 18 och membranet 20 är utformade transparenta för UV-ljus. Mellan locket 18 och membranet begränsas ett tryckrum 22, vilket är utformat att trycksâttas med en tryckfluid, exempelvis tryckluft, via ett inlopp 24.
Med pressenheten 10 sammanhör en bländare 26 för UV-ljus, vilken kan vara integrerad med pressenheten 10 eller med en icke visad yttre UV-strålltâlla. Bländaren 26 har till uppgift att utgöra en sköld för önskad avskârmning av i pressenheten 10 infallande UV- ljus vid härdningen av ett limskikt mellan skivsubstraten 12.
Anordning i fig. 1 är avsedd att användas på följande sätt.
På ovansidan av det undre skivsubstratet 12 pålägges en vâldefinierad mängd limmedel 28, exempelvis ett lim av epoxityp, i ringform, varefter det övre skivsubstratet 12 pålägges centrerat över det undre substratet 12. Denna limappliceringsfas kan utföras antingen i ett separat moment utanför pressenheten 10 eller i densamma. Därefter pålägges locket 18 och inkopplas en yttre, icke visad tryckluftkälla, varvid tryckluften “506 347 4 inmatas i tryckrummet 22 via inloppet 24 för att däri utöva ett lämpligt anpassat tryck på det flexibla membranet 20 i och för önskad sammanpressning av skivsubstraten 12 så att limmedlet 20 pressas ut mot en yttre periferikant 30 av substraten 12 och in mot en inre periferikant 32 eller ett något radiellt utåt från denna kant 32 beläget, icke visat ringspår, såsom normalt förekommer vid CD-skivor. Direkt efter sammanpressningsfasen, då ett likformigt, homogent och från luftinneslutningar fritt limskikt bildats mellan skivsubstra- ten 12, utsättes limskiktet för UV-bestrålning via det transparenta locket 18 och membranet 20, såsom visas med pilarna A i fig. 1, för att därvid härda limskiktet.
Emellertid är det en fördel att redan under sammanpressningsfasen låta en viss del av det limhärdande UV-ljuset belysa de yttre och inre limskiktsbegrânsande kantområdena 30, 32 hos skivsubstraten 12, så att limskiktet därvid snabbhärdas vid dessa kantområden för att förhindra läckage av limmedlet vid sammanpressningen. Denna kantbestrålning av limskiktet med UV-ljus är visad med pilar B i fig. 1 och kan åstadkommas genom att bländaren 26 avskärmar UV-ljuset A tills kantområdena av limskiktet härdat, varefter blândaren 26 kan öppnas eller avlägsnas för UV-bestrålning av det övriga limskiktet. De sammanlirnmade skivsubstraten 12 kan sedan avlägsnas ur pressenheten 10 och eventu- ellt efterhârdas på annan plats, om så erfordras. Limningsprocessen kan därefter upp- repas.
I fig. 2 visas ett alternativt utförande av pressenheten 10 enligt uppfinningen. Skillnaden består i princip enbart i att bottenplattan 12 här är transparent och att UV-strålama A, B kommer underifrån, varvid det flexibla membranet 20 kan göras i ett material ogenom- trängligt för UV-ljus, eftersom det ligger på den från UV-källan vända sidan av skivsubstraten 12. Arbetsprincipen i övrigt kan vara identisk med den som beskrivits i samband med fig. 1.
Uppfinningen är icke begränsad till de ovan beskrivna utföringsformerna utan kan varieras inom ramen för efterföljande patentkrav. Exempelvis är det inom ramen för uppfinningen möjligt att tack vare den tunna tjockleken hos skivsubstraten 12 i kom- bination med ett lâttflytande, lågvisköst limmedel få detta att i stor utsträclming själv flyta ut och med kapillärkraftens hjälp fylla större delen av utrymmet mellan skivsub- straten, så att enbart ett relativt litet presstryck behöver utövas i pressenheten 10 på skivsubstraten 12 och limmedelet.
Claims (9)
1. Förfarande för sammanlímning av tunna skivelement (12), särskilt substrat till digitala audio-, video- eller dataskivor, såsom CD- eller DVD-skivor, kännetecknat av åtgärderna a) att limmedel (28) appliceras på den ena sidan av ett första skivelement (12), b) att ett andra skivelement (12) pålâgges centrerat och sammanfallande över det limbelagda skivelementet (12), c) att skivelementen (12) sammanpressas i en pressenhet (10), och d) att ett genom sammanpressningen mellan skivelementen (12) bildat tunt limmedelsskikt
2. För-farande enligt krav 1, kånnetecknat av att limskiktet härdas i pressenheten (10) genom bestrålning av skiktet med UV-ljus.
3. Förfarande enligt krav 1 eller 2, kânnetecknat av att ett radiellt yttre, ringformigt kantområde (30) av skivelementen (12) bestrålas med UV-ljus under skivelementens sammanpressningsfas.
4. Förfarande enligt något av kraven 1-3, kännetecknat av att ett radiellt inre område (32) av skivelementen (12) bestrâlas med UV-ljus under skivelementens samman- pressningsfas.
5. Anordning för sammanlimning av tunna skivelement (12), särskilt substrat till digitala audio-, video- eller dataskivor, såsom CD- eller DVD-skivor, kånnetecknad av ett tryckkammarhus (10), innefattande dels en bottenplatta (14) fór att uppbära ena sidan av skivelementen (12) lagda centrerat och sammanfallande över varandra, dels ett flexibelt tryckmembran (20), anordnat att kunna anligga mot den andra sidan av skivelementen (12), dels ett lock (18), som tillsammans med membranet (26) begränsar en tryckkam- 10 5 Û 6 3 4 7 i , 6 mare (22), och dels organ (24) för trycksâttning av tryckkammaren (22) med en tryck- fluid.
6. Anordning enligt krav 5, kännetecknad av att locket (18) alternativt bottenplattan ' (14) är utformad transparent för att medge UV-bestrålning av limskiktet mellan de sammanpressade skivelementen (12).
7. Anordning enligt krav 6, vid vilken locket (18) år UV-transparent, kännetecknad av att membranet (20) är UV-transparent.
8. Anordning enligt något av kraven 1-6, kännetecknad av att membranet (20) âr infást i en sidovâgg (16) av tryckkammarhuset (10).
9. Anordning enligt något av kraven 6-8, kännetecknad av att med den sida av tryckkammarhuset (10), som uppvisar ett transparent lock (18) alternativt bottenplatta (14), är samordnat ett bländarorgan (26) för avskârmning av mot skivelementen riktat UV-ljus.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9601262A SE506347C2 (sv) | 1996-04-01 | 1996-04-01 | Förfarande och anordning för sammanlimning av substrat till dataskivor |
PCT/SE1997/000559 WO1997036738A1 (en) | 1996-04-01 | 1997-04-01 | Method and apparatus for glueing disc elements together |
AU25258/97A AU2525897A (en) | 1996-04-01 | 1997-04-01 | Method and apparatus for glueing disc elements together |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9601262A SE506347C2 (sv) | 1996-04-01 | 1996-04-01 | Förfarande och anordning för sammanlimning av substrat till dataskivor |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9601262D0 SE9601262D0 (sv) | 1996-04-01 |
SE9601262L SE9601262L (sv) | 1997-10-02 |
SE506347C2 true SE506347C2 (sv) | 1997-12-08 |
Family
ID=20402052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9601262A SE506347C2 (sv) | 1996-04-01 | 1996-04-01 | Förfarande och anordning för sammanlimning av substrat till dataskivor |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2525897A (sv) |
SE (1) | SE506347C2 (sv) |
WO (1) | WO1997036738A1 (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0925582A2 (en) * | 1997-05-27 | 1999-06-30 | Koninklijke Philips Electronics N.V. | Device for curing an adhesive between two layers of an information carrier |
GB9722736D0 (en) * | 1997-10-29 | 1997-12-24 | Ciba Sc Holding Ag | Adhesive compositions |
US6106657A (en) * | 1998-05-19 | 2000-08-22 | First Light Technology, Inc. | System and method for dispensing a resin between substrates of a bonded storage disk |
US6103039A (en) * | 1997-11-12 | 2000-08-15 | First Light Technology, Inc. | System and method for thermally manipulating a combination of a top and bottom substrate before a curing operation |
US6254809B1 (en) | 1998-05-19 | 2001-07-03 | Steag Hamatech, Inc. | System and method for curing a resin disposed between a top and bottom substrate with thermal management |
US6098272A (en) * | 1998-05-19 | 2000-08-08 | First Light Technology, Inc. | System for maintaining concentricity of a combination of a top and bottom substrate during the assembly of a bonded storage disk |
US6352612B1 (en) | 1998-05-19 | 2002-03-05 | Steag Hamatech, Inc. | System for forming bonded storage disks with low power light assembly |
US6214412B1 (en) | 1998-05-19 | 2001-04-10 | First Light Technologies, Inc. | System and method for distributing a resin disposed between a top substrate and a bottom substrate |
JPH11283279A (ja) | 1998-01-30 | 1999-10-15 | Minnesota Mining & Mfg Co <3M> | 貼り合わせ型光ディスク並びにその製造方法及び装置 |
CN1284908A (zh) | 1998-02-27 | 2001-02-21 | 奥德梅国际有限公司 | 用来对碟片进行热处理的方法和装置 |
DE10100427A1 (de) | 2001-01-08 | 2002-07-18 | Steag Hamatech Ag | Verfahren und Vorrichtung zum Zusammenfügen von Substraten |
DE10100426B4 (de) * | 2001-01-08 | 2006-04-06 | Steag Hamatech Ag | Verfahren und Vorrichtung zum Zusammenfügen von Substraten |
DE10213273B4 (de) * | 2002-03-25 | 2005-12-29 | Steag Hamatech Ag | Herstellung von DVD-Cards und anderen Disks mit nicht runden Formen |
DE102008063975A1 (de) * | 2008-12-19 | 2010-07-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren für das Laserstrahlfügen |
-
1996
- 1996-04-01 SE SE9601262A patent/SE506347C2/sv unknown
-
1997
- 1997-04-01 WO PCT/SE1997/000559 patent/WO1997036738A1/en active Application Filing
- 1997-04-01 AU AU25258/97A patent/AU2525897A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
SE9601262L (sv) | 1997-10-02 |
AU2525897A (en) | 1997-10-22 |
WO1997036738A1 (en) | 1997-10-09 |
SE9601262D0 (sv) | 1996-04-01 |
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