JP2010064427A - Adhesion method of member using laser beam - Google Patents

Adhesion method of member using laser beam Download PDF

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Publication number
JP2010064427A
JP2010064427A JP2008234821A JP2008234821A JP2010064427A JP 2010064427 A JP2010064427 A JP 2010064427A JP 2008234821 A JP2008234821 A JP 2008234821A JP 2008234821 A JP2008234821 A JP 2008234821A JP 2010064427 A JP2010064427 A JP 2010064427A
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laser light
thin film
coated
film
laser beam
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Kazunori Komori
一範 小森
Fumitaka Sudo
史敬 須藤
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Hoya Corp
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Hoya Corp
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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
    • 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
    • B29C65/16—Laser beams
    • B29C65/1629—Laser beams characterised by the way of heating the interface
    • B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser 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
    • B29C65/16—Laser beams
    • B29C65/1677—Laser beams making use of an absorber or impact modifier
    • B29C65/1683—Laser beams 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
    • 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
    • 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
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/723—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 structure of the material of the parts to be joined being multi-layered
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/723—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 structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72321—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • 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
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/746—Joining plastics material to non-plastics material to inorganic materials not provided for in groups B29C66/742 - B29C66/744
    • B29C66/7465—Glass
    • 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
    • B29C65/16—Laser beams
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
    • B29C65/1616—Near infrared radiation [NIR], e.g. by YAG lasers
    • 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
    • B29C65/16—Laser beams
    • B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
    • B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
    • B29C65/1619—Mid infrared radiation [MIR], e.g. by CO or CO2 lasers
    • 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
    • B29C65/16—Laser beams
    • B29C65/1677—Laser beams making use of an absorber or impact modifier
    • 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
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/723—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 structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72324—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 structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of inorganic materials not provided for in B29C66/72321 - B29C66/72322
    • B29C66/72326—Glass
    • 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
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • 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
    • B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
    • B29K2033/04—Polymers of esters
    • B29K2033/12—Polymers of methacrylic acid esters, e.g. PMMA, i.e. polymethylmethacrylate
    • 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
    • B29K2067/00—Use of polyesters 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
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • B29K2305/08—Transition metals
    • B29K2305/14—Noble metals, e.g. silver, gold or platinum
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    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
    • B29K2995/0006—Dielectric
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an adhesion method of adhering two members with a high adhesive force irrespective of material of the two members. <P>SOLUTION: A thin film 13 is applied on one surface 11A of a first member 11. A second member 12 is closely adhered to the one surface 11A. The first member 11 has light transmitting property of transmitting a laser beam. The second member 12 has light non-transmitting property of absorbing the laser beam. The second member 12 is irradiated with the laser beam L via the first member 11, thereby the second member 12 is adhered to the one surface 11A of the first member 11. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、ガラスや樹脂等の部材を、レーザー光を用いて他の部材に接着させるための接着方法に関する。   The present invention relates to a bonding method for bonding a member such as glass or resin to another member using a laser beam.

従来、２つの部材を接着する方法としては、特許文献１、２に記載されるように、レーザー融着を用いる方法が知られている。特許文献１の方法では、透過性を有する熱可塑性樹脂部材と、非透過性の熱可塑性樹脂部材とを重ね合わせた上で、透過性を有する一方の部材側からレーザー光を照射し、非透過性の他方の部材にレーザー光を吸収させる。そして、吸収されたレーザー光のエネルギーにより、これら２つの部材の密着面付近の樹脂材料を溶融させて、２つの部材を融着させている。   Conventionally, as a method of bonding two members, a method using laser fusion is known as described in Patent Documents 1 and 2. In the method of Patent Document 1, a transparent thermoplastic resin member and a non-transparent thermoplastic resin member are overlapped, and then laser light is irradiated from one side of the transparent member to make non-transmission. The other member of the sex absorbs the laser beam. And the resin material of the contact | adherence surface vicinity of these two members is fuse | melted with the energy of the absorbed laser beam, and two members are fuse | melted.

また、特許文献２の方法では、加熱・溶融されることで接着作用を発現する接着材を介在させて、２つの部材を重ね合わせた上で、透過性を有する一方の部材を介してレーザー光を接着材に照射する。そして、そのレーザー光により加熱・溶融された接着材によって、２つの部材を融着させている。   Further, in the method of Patent Document 2, an adhesive material that exhibits an adhesive action by being heated and melted is interposed, two members are overlapped, and laser light is transmitted through one member having transparency. To the adhesive. Then, the two members are fused by the adhesive heated and melted by the laser beam.

しかし、これらの方法では、同種の樹脂材料の接合には適しているが、例えば極性が異なる異種の樹脂材料を接合する場合には、樹脂同士の相溶性の問題等により、２つの部材を高い接着力で接合するのは困難であった。さらに、特許文献１の方法では、樹脂材料が熱可塑性樹脂である必要があり、限られた材質同士の部材しか接合することができなかった。   However, these methods are suitable for joining the same kind of resin material. However, for example, when joining different kinds of resin materials having different polarities, the two members are high due to a compatibility problem between the resins. It was difficult to join with adhesive strength. Furthermore, in the method of Patent Document 1, the resin material needs to be a thermoplastic resin, and only members of limited materials can be joined.

また、接着剤を用いて２つの部材を接着する方法が、従来広く知られている。接着剤を用いる方法は、極性の高い部材同士を接着させるには適しているが、ポリオレフィン系材料等の極性の低い材料を他の部材に接着しにくいという問題がある。特許文献３には、このような問題を解決するために、ポリオレフィン系部材の表面に、誘電体膜を被膜し、その誘電体膜を介して、ポリオレフィン系樹脂部材を他の部材に接着させる方法が開示されている。   A method of bonding two members using an adhesive has been widely known. The method using an adhesive is suitable for bonding members having high polarity, but has a problem that it is difficult to bond a low polarity material such as a polyolefin-based material to other members. In Patent Document 3, in order to solve such a problem, a dielectric film is coated on the surface of a polyolefin-based member, and the polyolefin-based resin member is bonded to another member via the dielectric film. Is disclosed.

しかし、接着剤を用いる方法では、接着面を微小領域にすることが困難で、また接着剤が固化させるために時間を要するため、レーザー融着に比べて接合部の設計に制約が多く、また作業性も劣るという問題がある。
特公昭６２−４９８５０号公報 特公平５−４２３３６号公報 特許３４３９２２７号公報 However, in the method using an adhesive, it is difficult to make the adhesive surface into a minute region, and it takes time for the adhesive to solidify, so there are more restrictions on the joint design than laser fusion, and There is a problem that workability is inferior.
Japanese Examined Patent Publication No. 62-49850 Japanese Patent Publication No. 5-42336 Japanese Patent No. 3439227

そこで、本発明は、以上の問題点に鑑みてなされたものであり、レーザー光を用いて２つの部材を接着させる場合に、接着させる２つの部材の材質に関係なく、高い接着力で２つの部材を接着させることが可能な接着方法を提供することを目的とする。   Therefore, the present invention has been made in view of the above problems. When two members are bonded using laser light, the two members can be bonded with high adhesive force regardless of the material of the two members to be bonded. It aims at providing the adhesion | attachment method which can adhere | attach a member.

本発明は、第１の部材の一面に第２の部材を接着させる接着方法に関する。第１の部材の一面には、金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種より形成される薄膜が被膜されており、かつ、第１及び第２の部材のうち、一方の部材がレーザー光を透過する透過性を有すると共に、他方の部材がレーザー光を吸収する非透過性を有する。そして、第１の部材の薄膜が被膜された一面に第２の部材を密着させた後、一方の部材を介して他方の部材にレーザー光を照射させることにより、上記一面に第２の部材を接着させることを特徴とする。   The present invention relates to a bonding method for bonding a second member to one surface of a first member. One surface of the first member is coated with a thin film formed of at least one selected from the group consisting of metals, metalloids, and compounds thereof, and one of the first and second members. This member has transparency to transmit laser light, and the other member has non-transparency to absorb laser light. Then, after the second member is brought into close contact with the one surface coated with the thin film of the first member, the other member is irradiated with laser light through the one member, whereby the second member is applied to the one surface. It is made to adhere.

上記薄膜は、誘電体材料又は金から形成され、誘電体材料は、酸化シリコン、酸化チタン、及びフッ化マグネシウムから成る群より選ばれる少なくとも一種の誘電体材料であることが好ましい。また、第１の部材の一面には、好ましくは、誘電体材料から形成される膜が複数積層されて反射防止膜が設けられ、反射防止膜の少なくとも一部が上記薄膜を構成する。   The thin film is preferably made of a dielectric material or gold, and the dielectric material is preferably at least one dielectric material selected from the group consisting of silicon oxide, titanium oxide, and magnesium fluoride. Moreover, it is preferable that a plurality of films formed of a dielectric material are stacked on one surface of the first member to provide an antireflection film, and at least a part of the antireflection film constitutes the thin film.

第１の部材は、レーザー光を透過する透過性を有すると共に、第２の部材はレーザー光を吸収する非透過性を有することが好ましい。   It is preferable that the first member has transparency that transmits laser light, and the second member has non-transparency that absorbs laser light.

本発明に係る接着体は、金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種より形成される薄膜が、一面に被膜された第１の部材と、誘電体膜が被膜された第１の部材の一面に密着される第２の部材とを備え、第１及び第２の部材のうち、一方の部材が、レーザー光を透過する透過性を有すると共に、他方の部材が、レーザー光を吸収する非透過性を有し、一方の部材を介して他方の部材にレーザー光が照射されることにより、上記一面に第２の部材が接着させられることを特徴とする。   The adhesive according to the present invention includes a first member in which a thin film formed from at least one selected from the group consisting of metals, metalloids, and compounds thereof is coated on one surface, and a dielectric film. A second member that is in close contact with one surface of the first member, and one of the first and second members is transparent to transmit laser light, and the other member is a laser. The second member is bonded to the one surface by irradiating the other member with laser light through one member, and having non-transmissibility for absorbing light.

本発明の別の態様においては、第１の部材は、レーザー光を透過する透過性を有し、第１の部材の一面には、上記レーザー光を吸収する非透過性膜、並びに金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種より形成される薄膜が順に被膜されている。そして、一面に第２の部材を密着させた後、第１の部材を介して非透過性膜にレーザー光を照射させることにより上記一面に第２の部材を接着させることを特徴とする。   In another aspect of the present invention, the first member is transmissive to transmit laser light, and one surface of the first member has a non-permeable film that absorbs the laser light, a metal, A thin film formed of at least one selected from the group consisting of metals and their compounds is sequentially coated. And after making the 2nd member closely_contact | adhere to one surface, a 2nd member is adhere | attached on the said one surface by irradiating a laser beam to a non-permeable film | membrane through a 1st member.

本発明の別の態様における接着体は、レーザー光を透過する透過性を有すると共に、上記レーザー光を吸収する非透過性膜、並びに金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種より形成される薄膜が、一面に順に被膜された第１の部材と、上記一面に密着される第２の部材とを有し、第１の部材を介して非透過性膜にレーザー光を照射させることにより上記一面に第２の部材を接着させることを特徴とする。   The adhesive in another aspect of the present invention has at least one selected from the group consisting of a non-transparent film that transmits laser light and absorbs the laser light, and a metal, a semimetal, and a compound thereof. A thin film formed from one type has a first member coated in order on one surface and a second member closely adhered to the one surface, and the laser beam is applied to the non-transparent film through the first member. The second member is bonded to the one surface by irradiation.

本発明においては、第１及び第２の部材の材質にかかわりなく、第２の部材を第１の部材に高い接着力で接着することが可能になる。   In the present invention, the second member can be bonded to the first member with high adhesive force regardless of the material of the first and second members.

図１は、本発明の第１の実施形態に係る接着方法を説明するための図であって、第１の部材１１に、第２の部材１２を接着する方法を示す図である。   FIG. 1 is a view for explaining a bonding method according to the first embodiment of the present invention, and shows a method of bonding a second member 12 to a first member 11.

まず、図１を用いて第１及び第２の部材１１、１２の構成について説明する。
第１の部材１１は、所定の波長を有するレーザー光Ｌを透過可能な透過性を有するガラス、樹脂等である。第１の部材１１に使用される樹脂としては、熱可塑性樹脂、熱硬化性樹脂、光硬化性樹脂等が使用される。熱可塑性樹脂としては、ポリエチレンやポリプロピレン等のポリオレフィン、ポリエチレンテレフタレートやポリブチレンテレフタレート等のポリエステル、スチレンの単重合体やスチロール・アクリル（ＳＡＮ）、ＡＢＳ樹脂等のスチレン共重合体等のポリスチレン、ポリメチルメタクリレート等のアクリル樹脂、フッ素エチレンプロピレン等のフッ素樹脂、ポリカーボネート、ポリ塩化ビニル、ナイロン、ポリアセタール、ポリエーテルイミド、ポリフェニレンスルファイド、シクロオレフィンポリマー等が挙げられる。熱硬化性樹脂としては、エポキシ樹脂、フェノール樹脂、不飽和ポリエステル樹脂、ポリウレタン等が挙げられる。光硬化性製樹脂としては、エポキシアクリレート、ウレタンアクリレート等の変性アクリレート等が挙げられる。 First, the structure of the 1st and 2nd members 11 and 12 is demonstrated using FIG.
The first member 11 is made of glass, resin, or the like having transparency capable of transmitting laser light L having a predetermined wavelength. As the resin used for the first member 11, a thermoplastic resin, a thermosetting resin, a photocurable resin, or the like is used. Thermoplastic resins include polyolefins such as polyethylene and polypropylene, polyesters such as polyethylene terephthalate and polybutylene terephthalate, polystyrene such as styrene homopolymers and styrene copolymers such as styrene / acrylic (SAN) and ABS resins, and polymethyl. Examples thereof include acrylic resins such as methacrylate, fluorine resins such as fluorine ethylene propylene, polycarbonate, polyvinyl chloride, nylon, polyacetal, polyetherimide, polyphenylene sulfide, and cycloolefin polymer. Examples of the thermosetting resin include an epoxy resin, a phenol resin, an unsaturated polyester resin, and polyurethane. Examples of the photocurable resin include modified acrylates such as epoxy acrylate and urethane acrylate.

第１の部材１１に使用されるガラスは、Ｓｉ含有ガラス、Ｓｉを含有しないガラスのいずれでも良い。但し、Ｓｉを含有するガラス（第１の部材）と熱可塑性樹脂材料（第２の部材）とは、後述する薄膜１３を介さなくても、レーザー融着により接着可能である一方、Ｓｉを含有しないガラス（第１の部材）と、熱可塑性樹脂材料（第２の部材）とは、後述する薄膜１３がなければレーザーによって接着することが困難である。したがって、第１の部材１１に使用されるガラスは、Ｓｉを含有しないガラスであることが好ましい。   The glass used for the first member 11 may be either Si-containing glass or Si-free glass. However, the glass containing Si (first member) and the thermoplastic resin material (second member) can be bonded by laser fusion without using the thin film 13 described later, while containing Si. It is difficult to bond the glass (first member) and the thermoplastic resin material (second member) not to be bonded by a laser without the thin film 13 described later. Therefore, the glass used for the first member 11 is preferably glass that does not contain Si.

本実施形態では、例えば、レンズ等の光学部材である第１の部材１１を、レンズ鏡枠等の被接着体である第２の部材１２に接着するために使用される。そのような場合、第１の部材１１としては、ポリエステル、ポリメチルメタクリレート等のアクリル樹脂、ポリオレフィン、又はポリカーボネートが好適に使用される。   In the present embodiment, for example, the first member 11 that is an optical member such as a lens is used to adhere to the second member 12 that is an adherend such as a lens barrel. In such a case, as the first member 11, an acrylic resin such as polyester or polymethylmethacrylate, polyolefin, or polycarbonate is preferably used.

第２の部材１２は、上記した熱可塑性樹脂、熱硬化性樹脂、光硬化性樹脂等の樹脂材料で構成され、さらに、所定の波長を有するレーザー光Ｌを吸収可能な非透過性の部材とされている。第２の部材１２は、照射されたレーザー光Ｌを吸収して、その吸収したエネルギーによって第１の部材１１と第２の部材１２の密着面及びその近傍を加熱できるものであれば、その構造は限定されないが、例えば、上記樹脂に適当な吸収剤が混入されたものが使用されることが好ましい。ここで、吸収剤としては、レーザー光に対して充分な吸収性を示すものであれば、特に限定されないが、例えばカーボンブラックやグラファイト等の炭素系材料、無機系着色料、有機顔料等が挙げられる。   The second member 12 is made of a resin material such as the thermoplastic resin, thermosetting resin, or photocurable resin described above, and further, a non-transparent member capable of absorbing the laser light L having a predetermined wavelength. Has been. If the 2nd member 12 absorbs the irradiated laser beam L and the contact | adherence surface of the 1st member 11 and the 2nd member 12 and its vicinity can be heated with the absorbed energy, the structure will be sufficient as it. Although there is no limitation, it is preferable to use, for example, a resin in which an appropriate absorbent is mixed. Here, the absorbent is not particularly limited as long as it has sufficient absorbability with respect to laser light, and examples thereof include carbon-based materials such as carbon black and graphite, inorganic colorants, and organic pigments. It is done.

また、第２の部材１２は、上記樹脂材料から形成される樹脂材料部材の一面が、黒色塗料等でいわゆる墨塗りされることにより、レーザー光を吸収可能な非透過性膜が樹脂材料部材に被膜されて構成されても良い。この場合、第２の部材１２が第１の部材１１に接着するとき、第２の部材１２の非透過性膜が設けられた面（一面１２Ａ）が、後述する第１の部材１１の薄膜１３が被膜された一面１１Ａに密着する。また、第２の部材１２は、樹脂材料部材の内部に、レーザー光を吸収可能な非透過性膜が設けられて構成されても良い。このように第２の部材１２に非透過性膜が設けられる場合、樹脂材料部材自体は、レーザー光Ｌを吸収しても良いし、透過しても良い。   In addition, the second member 12 has a resin material member formed of a non-permeable film capable of absorbing laser light by painting one surface of the resin material member formed of the resin material with a black paint or the like. It may be configured to be coated. In this case, when the second member 12 is bonded to the first member 11, the surface (one surface 12A) provided with the non-permeable film of the second member 12 is a thin film 13 of the first member 11 described later. Is closely attached to the one surface 11A coated. Moreover, the 2nd member 12 may be comprised by providing the non-permeable film which can absorb a laser beam inside the resin material member. When the non-permeable film is provided on the second member 12 as described above, the resin material member itself may absorb the laser light L or may transmit the resin material member.

第２の部材１２としては、特に限定されるわけではないが、後述する薄膜１３との接着性等を考慮すると、樹脂材料に吸収剤を混入したものが使用されることが好ましい。また、ポリカーボネートは、耐熱性、耐老化性を備え、かつ剛性が高いので、例えば、第２の部材１２をレンズ鏡枠に使用する場合に、好適に使用される。   Although it does not necessarily limit as the 2nd member 12, when the adhesiveness with the thin film 13 mentioned later etc. is considered, it is preferable to use what mixed the absorber with the resin material. In addition, since polycarbonate has heat resistance and aging resistance and has high rigidity, for example, it is preferably used when the second member 12 is used in a lens barrel.

次に、第１の部材１１に第２の部材１２を接着させるための手順を説明する。本実施形態では、まず、第１の部材１１の一面１１Ａに、薄膜１３が被膜される。薄膜１３を形成する材料としては、金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種が使用される。具体的には、金、アルミニウム、白金、銅等の金属若しくは半金属、これらの合金、又は酸化チタン（TiO2）、フッ化マグネシウム（MgF2）、酸化シリコン(SiO2)等の金属酸化物、半金属酸化物、金属フッ化物、若しくは半金属フッ化物等の金属若しくは半金属化合物である誘電体材料が使用されるが、好ましくは誘電体材料又は金が使用される。薄膜１３は、例えば１００ｎｍ〜１０μｍの厚さを有する。薄膜１３は、例えば、ＰＶＤ等の真空蒸着、イオンプレーティング、ＣＶＤ等によって、一面１１Ａに被膜成形される。 Next, a procedure for bonding the second member 12 to the first member 11 will be described. In the present embodiment, first, the thin film 13 is coated on the one surface 11 </ b> A of the first member 11. As a material for forming the thin film 13, at least one selected from the group consisting of metals, metalloids, and compounds thereof is used. Specifically, metals or metalloids such as gold, aluminum, platinum, and copper, alloys thereof, or metal oxides such as titanium oxide (TiO 2 ), magnesium fluoride (MgF 2 ), and silicon oxide (SiO 2 ) A dielectric material which is a metal or metalloid compound such as metalloid oxide, metal fluoride, metalloid fluoride, or the like is used, preferably a dielectric material or gold. The thin film 13 has a thickness of, for example, 100 nm to 10 μm. The thin film 13 is formed on the surface 11A by, for example, vacuum deposition such as PVD, ion plating, CVD, or the like.

例えば、第１の部材１１がレンズ等の光学部材として使用される場合には、薄膜１３は、誘電体材料から形成され、反射防止膜等の光学膜の一部として使用されていても良い。例えば、第１の部材１１の一面１１Ａには、屈折率が異なる誘電体膜が複数層被膜され、それらのうち最外膜が上記誘電体材料で形成された薄膜１３となっていても良い。また、薄膜１３が金等の金属で構成される場合、その金属と第１の部材１１との接着性を改善するために、薄膜１３と第１の部材１１との間には、クロム等の金属若しくは半金属から形成される接着膜が設けられていても良い。   For example, when the first member 11 is used as an optical member such as a lens, the thin film 13 may be formed of a dielectric material and used as a part of an optical film such as an antireflection film. For example, the surface 11A of the first member 11 may be coated with a plurality of dielectric films having different refractive indexes, and the outermost film among them may be the thin film 13 formed of the dielectric material. In addition, when the thin film 13 is made of a metal such as gold, in order to improve the adhesion between the metal and the first member 11, the thin film 13 and the first member 11 may be made of chromium or the like. An adhesive film made of metal or metalloid may be provided.

薄膜１３が被膜された第１の部材１１の一面１１Ａには、第２の部材１２の一面１２Ａが密着させられて、第２の部材１２が第１の部材１１に重ねられる。その後、第１の部材１１の一面１１Ａの反対側の面（図１における上面）１１Ｂの上に、レーザー光源（不図示）が配置され、そのレーザー光源（不図示）からレーザー光Ｌが出射される。レーザー光Ｌは、例えば、波長４００ｎｍ〜１．５５μｍ等の所定の波長を有する半導体レーザー光、１０６４ｎｍ等の所定の波長を有するＹＡＧレーザー光、１０．６μｍ等の所定の波長を有する炭酸ガスレーザー光である。   One surface 12A of the second member 12 is brought into close contact with the one surface 11A of the first member 11 coated with the thin film 13, and the second member 12 is overlapped with the first member 11. Thereafter, a laser light source (not shown) is disposed on a surface (upper surface in FIG. 1) 11B opposite to the one surface 11A of the first member 11, and the laser light L is emitted from the laser light source (not shown). The The laser beam L is, for example, a semiconductor laser beam having a predetermined wavelength such as a wavelength of 400 nm to 1.55 μm, a YAG laser beam having a predetermined wavelength such as 1064 nm, or a carbon dioxide laser beam having a predetermined wavelength such as 10.6 μm. It is.

出射されたレーザー光Ｌは、第１の部材１１、及び薄膜１３を透過して、第２の部材１２（特に、第１の部材１１との密着面近傍）で吸収される。レーザー光Ｌが第２の部材１２に吸収されることにより、第１の部材１１（すなわち、薄膜１３）と第２の部材１２の密着面及びその近傍が加熱されることとなる。このようなレーザー光Ｌの照射により、第２の部材１２は、薄膜１３に接着され、これにより、第１及び第２の部材１１、１２が接着一体化された接着体２０が得られることとなる。   The emitted laser light L passes through the first member 11 and the thin film 13 and is absorbed by the second member 12 (particularly, in the vicinity of the contact surface with the first member 11). When the laser beam L is absorbed by the second member 12, the close contact surface between the first member 11 (that is, the thin film 13) and the second member 12 and the vicinity thereof are heated. By such irradiation of the laser light L, the second member 12 is bonded to the thin film 13, thereby obtaining an adhesive body 20 in which the first and second members 11 and 12 are bonded and integrated. Become.

第２の部材１２が薄膜１３に接着される原理は明らかではないが、後述する実施例で示すように、第２の部材１２が熱可塑性樹脂である場合のみならず、例えば熱硬化性樹脂である場合でも、接着される点を鑑みると、熱溶着のみにより第２の部材１２が、薄膜１３に接着されているわけではないと考えられる。例えば、薄膜１３は、上記加熱により、或いはレーザー光Ｌが照射されること及び上記加熱により、第２の部材１２の樹脂材料との間に何らかの相互作用を発現させていると考えられる。そして、その相互作用によって、第２の部材１２は、薄膜１３に接着されていると考えられる。   Although the principle by which the second member 12 is bonded to the thin film 13 is not clear, as shown in the examples described later, not only when the second member 12 is a thermoplastic resin, but, for example, a thermosetting resin. Even in some cases, it is considered that the second member 12 is not bonded to the thin film 13 only by thermal welding in view of the point of bonding. For example, it is considered that the thin film 13 exhibits some kind of interaction with the resin material of the second member 12 by the heating or by the irradiation with the laser beam L and the heating. And it is thought that the 2nd member 12 is adhere | attached on the thin film 13 by the interaction.

第２の部材１２は、熱可塑性樹脂で形成されている場合、上記レーザー光の加熱によって、溶融されても良い。第２の部材１２が加熱溶融される場合、溶融された第２の部材１２が薄膜１３に熱溶着することによって、第２の部材１２が第１の部材１１に接着するのを補助していても良い。   When the second member 12 is formed of a thermoplastic resin, the second member 12 may be melted by heating the laser beam. When the second member 12 is heated and melted, the second member 12 melted is thermally welded to the thin film 13, thereby assisting the second member 12 to adhere to the first member 11. Also good.

以上のように、本実施形態においては、第１の部材１１の第２の部材１２との接着面に、誘電体材料等から形成される薄膜１３が被膜されることにより、第１及び第２の部材１１、１２の材質にかかわらず、第２の部材１２を第１の部材１１に高い接着力で接合することが可能となる。また、レーザー光を用いた接合によれば、接着剤を固化するための時間を必要としないので、接着剤を用いる場合に比べ、作業性を良好にすることも可能であり、さらには接着面を微小領域にすることも可能である。加えて、レーザー接合で行うことにより、非接触での接合が可能になり、接合に伴う誤差を減少させることができる。   As described above, in the present embodiment, the first member 11 and the second member 12 are coated with the thin film 13 formed of a dielectric material or the like on the adhesive surface of the first member 11 with the second member 12. Regardless of the material of the members 11 and 12, the second member 12 can be joined to the first member 11 with a high adhesive force. In addition, since the time for solidifying the adhesive is not required according to the joining using the laser beam, the workability can be improved as compared with the case of using the adhesive, and further the adhesive surface. Can be made into a minute region. In addition, by performing laser bonding, non-contact bonding is possible, and errors associated with bonding can be reduced.

さらに、本実施形態では、第１の部材１１が光学部材である場合には、反射防止膜の一部を薄膜１３として使用すれば良いので、第１及び第２の部材１１、１２の接着のために特別な部材を追加する必要がなくなる。   Further, in the present embodiment, when the first member 11 is an optical member, a part of the antireflection film may be used as the thin film 13, so that the first and second members 11 and 12 can be bonded. Therefore, it is not necessary to add a special member.

図２は、本発明の第２の実施形態に係る接着方法を説明するための図である。以下、第２の実施形態について、第１の実施形態との相違点を説明する。   FIG. 2 is a view for explaining an adhesion method according to the second embodiment of the present invention. Hereinafter, the difference between the second embodiment and the first embodiment will be described.

本実施形態では、第１の部材２１は、第１の実施形態と同様に、ガラス、樹脂材料等で形成されるが、所定の波長を有するレーザー光Ｌを吸収可能な非透過性の部材とされる。第１の部材２１は、第１の実施形態の第２の部材１２と同様の構成により非透過性の部材とされている。なお、第１の部材２１は、例えば、レーザー光を吸収可能な非透過性膜が樹脂材料部材やガラス等の一面に被膜されて構成される場合があるが、このような場合、薄膜１３は、非透過性膜が設けられた面（一面２１Ａ）の上に被膜される。第２の部材２２は、第１の実施形態と同様に、樹脂材料で形成されるが、所定の波長を有するレーザー光Ｌを透過可能な透過性を有する部材で構成されている。   In the present embodiment, the first member 21 is formed of glass, a resin material, or the like, as in the first embodiment, but is a non-transparent member that can absorb the laser light L having a predetermined wavelength. Is done. The 1st member 21 is made into the impermeable member by the structure similar to the 2nd member 12 of 1st Embodiment. Note that the first member 21 may be configured by, for example, a non-permeable film capable of absorbing laser light being coated on one surface of a resin material member, glass, or the like. The film is coated on the surface (one surface 21A) provided with the non-permeable membrane. Similar to the first embodiment, the second member 22 is formed of a resin material, but is configured of a member having transparency that can transmit the laser light L having a predetermined wavelength.

本実施形態でも、まず、第１の部材２１の一面２１Ａに、第１の実施形態と同様に薄膜１３が被膜される。次いで、薄膜１３が被膜された第１の部材２１の一面２１Ａが第２の部材２２の一面２２Ａに密着するように、第１及び第２の部材２１、２２が重ねられると共に、第２の部材２２の一面２２Ａの反対側の面（下面）２２Ｂに対向するように、レーザー光源（不図示）が配置される。そして、そのレーザー光源からレーザー光Ｌが出射される。レーザー光Ｌは、第２の部材２２、薄膜１３を透過して、第１の部材２１に照射される。第１の部材２１は、照射されたレーザー光を吸収し、薄膜１３と第２の部材２２の密着面及びその近傍を加熱し、これにより、本実施形態でも、第２の部材２２が、薄膜１３を介して第１の部材２１に接着されることとなる。   Also in the present embodiment, first, the thin film 13 is coated on the one surface 21A of the first member 21 as in the first embodiment. Next, the first and second members 21 and 22 are overlapped so that the one surface 21A of the first member 21 coated with the thin film 13 is in close contact with the one surface 22A of the second member 22, and the second member A laser light source (not shown) is arranged so as to face a surface (lower surface) 22B opposite to the one surface 22A of 22. Then, laser light L is emitted from the laser light source. The laser beam L passes through the second member 22 and the thin film 13 and is irradiated on the first member 21. The first member 21 absorbs the irradiated laser light and heats the adhesion surface of the thin film 13 and the second member 22 and the vicinity thereof, whereby the second member 22 is also a thin film in this embodiment. The first member 21 is bonded via 13.

なお、第２の実施形態においても、第１の部材２１がレンズ等の光学部材として使用される場合には、薄膜１３は、第１の実施形態と同様に、反射防止膜等の光学膜の一部として使用されていても良い。   Also in the second embodiment, when the first member 21 is used as an optical member such as a lens, the thin film 13 is made of an optical film such as an antireflection film as in the first embodiment. It may be used as a part.

図３は、本発明の第３の実施形態に係る接着方法を説明するための図である。以下、第３の実施形態について、第１の実施形態との相違点を説明する。   FIG. 3 is a view for explaining an adhesion method according to the third embodiment of the present invention. Hereinafter, a difference between the third embodiment and the first embodiment will be described.

本実施形態では、第１の部材３１は、第１の実施形態と同様に、所定の波長を有するレーザー光Ｌを透過可能な透過性を有するガラス、樹脂等である。第１の部材３１の一面３１Ａには、墨塗り等されることにより、レーザー光を吸収可能な非透過性膜３５が被膜されている。第２の部材３２は、第１及び第２の実施形態と同様に、樹脂材料で形成されるが、所定の波長を有するレーザー光Ｌを透過可能な透過性を有していても良いし、レーザー光を吸収可能であって、非透過性を有していても良い。   In this embodiment, the 1st member 31 is the glass, resin, etc. which have the transmittance | permeability which can permeate | transmit the laser beam L which has a predetermined wavelength similarly to 1st Embodiment. One surface 31A of the first member 31 is coated with a non-permeable film 35 capable of absorbing laser light by being sanitized or the like. The second member 32 is formed of a resin material as in the first and second embodiments. However, the second member 32 may have transparency capable of transmitting the laser light L having a predetermined wavelength. The laser beam can be absorbed and may be impermeable.

本実施形態では、非透過性膜３５の上に、第１及び第２の実施形態と同様の構成を有する薄膜１３が被膜される。次いで、薄膜１３が被膜された第１の部材３１の一面３１Ａが第２の部材３２の一面３２Ａに密着するように、第１及び第２の部材３１、３２が重ねられると共に、第１の部材３１の一面３１Ａの反対側の面（上面）３１Ｂの上に、レーザー光源（不図示）が配置される。そして、そのレーザー光源からレーザー光Ｌが出射される。レーザー光Ｌは、第１の部材３１を透過して、非透過性膜３５に照射される。非透過性膜３５は、照射されたレーザー光を吸収し、非透過性膜３５と第２の部材３２の密着面及びその近傍を加熱し、これにより、本実施形態でも、第２の部材３２が、薄膜１３、３５を介して第１の部材３１に接着されることとなる。   In the present embodiment, the thin film 13 having the same configuration as that of the first and second embodiments is coated on the non-permeable film 35. Next, the first and second members 31 and 32 are overlapped so that the one surface 31A of the first member 31 coated with the thin film 13 is in close contact with the one surface 32A of the second member 32, and the first member A laser light source (not shown) is disposed on a surface (upper surface) 31B opposite to the one surface 31A of 31. Then, laser light L is emitted from the laser light source. The laser light L passes through the first member 31 and is irradiated onto the non-permeable film 35. The non-permeable film 35 absorbs the irradiated laser light and heats the close contact surface between the non-permeable film 35 and the second member 32 and the vicinity thereof, whereby the second member 32 is also used in this embodiment. Is bonded to the first member 31 through the thin films 13 and 35.

なお、第１〜第３の実施形態においては、第２の部材１２、２２、３２の一面１２Ａ，２２Ａ、３２Ａ（すなわち、薄膜１３との密着面）には、シランカップリング剤が塗布されていても良い。同様に、薄膜１３の表面（すなわち、第２の部材との密着面）にも、シランカップリング剤が塗布されていても良い。   In the first to third embodiments, a silane coupling agent is applied to one surface 12A, 22A, 32A of the second member 12, 22, 32 (that is, the contact surface with the thin film 13). May be. Similarly, a silane coupling agent may be applied to the surface of the thin film 13 (that is, the contact surface with the second member).

次に、本発明の実施例を説明するが、本発明は以下に説明する実施例に限定されるわけではない。   Next, examples of the present invention will be described, but the present invention is not limited to the examples described below.

［実施例１］
実施例１は、第１の実施形態に対応する実施例であって、第１の部材に非晶質ポリオレフィン（商品名：ZEONEX 330R、日本ゼオン社製）、第２の部材に、熱可塑性樹脂である光吸収ポリカーボネート（商品名：ユーピロン S-3000、三菱エンジニアリングプラスチックス社製）から成る部材を用いた。また、第１の部材の一面には、酸化シリコン(SiO2)から成る厚さ１００ｎｍの薄膜を被膜した。そして、その薄膜が被膜された一面が、第２の部材の一面に密着するように、第１及び第２の部材を重ねた。次いで、レーザー光源を第１の部材の上面に対向するように配置し、レーザー光を、第１の部材及び薄膜を介して第２の部材に照射した。第２の部材はレーザー光を吸収し、これにより、薄膜と第２の部材との密着面が加熱され、第２の部材が第１の部材に薄膜を介して接着され、実施例１の接着体を得た。なお、レーザー光は半導体レーザー光で、その波長が８０８ｎｍ、出力が１Ｗであった。 [Example 1]
Example 1 is an example corresponding to the first embodiment, in which the first member is an amorphous polyolefin (trade name: ZEONEX 330R, manufactured by Nippon Zeon), and the second member is a thermoplastic resin. A member made of a light-absorbing polycarbonate (trade name: Iupilon S-3000, manufactured by Mitsubishi Engineering Plastics) was used. Further, a thin film having a thickness of 100 nm made of silicon oxide (SiO 2 ) was coated on one surface of the first member. And the 1st and 2nd member was piled up so that the surface by which the thin film was coated closely_contact | adheres to the 1st surface of the 2nd member. Next, the laser light source was disposed so as to face the upper surface of the first member, and the second member was irradiated with the laser light through the first member and the thin film. The second member absorbs the laser beam, whereby the contact surface between the thin film and the second member is heated, and the second member is bonded to the first member via the thin film. Got the body. The laser beam was a semiconductor laser beam with a wavelength of 808 nm and an output of 1 W.

［実施例２］
実施例２は、第２の部材として、熱硬化性樹脂であるエポキシ樹脂（商品名：アラルダイド R-600、昭和高分子社製）に、第２の部材全体１００重量％に対して、黒色有機顔料（商品名：レンズ用ラッカーエナメル黒、早川塗料社製）５重量％を混ぜて硬化したものを用いた以外は、実施例１と同様に実施した。 [Example 2]
In Example 2, as the second member, an epoxy resin (trade name: Araldide R-600, manufactured by Showa Polymer Co., Ltd.), which is a thermosetting resin, is used as a second organic material with respect to 100% by weight of the entire second member. The same procedure as in Example 1 was performed except that a pigment (trade name: lacquer enamel black for lenses, manufactured by Hayakawa Paint Co., Ltd.) 5% by weight was mixed and cured.

［実施例３］
実施例３は、薄膜が、酸化チタン（TiO2）から成る厚さ１００ｎｍの被膜で構成されていた以外は、実施例１と同様に実施した。 [Example 3]
Example 3 was carried out in the same manner as in Example 1 except that the thin film was composed of a 100 nm-thick film made of titanium oxide (TiO 2 ).

［実施例４］
実施例４は、薄膜が、フッ化マグネシウム（MgF2）から成る厚さ１００ｎｍの被膜で構成されていた以外は、実施例１と同様に実施した。 [Example 4]
Example 4 was carried out in the same manner as Example 1 except that the thin film was composed of a 100 nm-thick film made of magnesium fluoride (MgF 2 ).

［実施例５］
実施例５は、第１の部材として、無機ガラスであるクラウンガラス（商品名：レギュラースライドガラス、松浪硝子工業社製）を用いた以外は、実施例１と同様に実施した。 [Example 5]
Example 5 was carried out in the same manner as Example 1 except that crown glass (trade name: regular slide glass, manufactured by Matsunami Glass Kogyo Co., Ltd.), which is inorganic glass, was used as the first member.

［実施例６］
実施例６は、第１の部材として、光硬化性樹脂である変性アクリレート（商品名：MP201、三菱レイヨン社製）からなるものを用いた以外は、実施例１と同様に実施した。 [Example 6]
Example 6 was carried out in the same manner as Example 1 except that a first member made of a modified acrylate (trade name: MP201, manufactured by Mitsubishi Rayon Co., Ltd.), which is a photocurable resin, was used.

［実施例７］
実施例７は、第１の部材の一面の上に、酸化シリコンの薄膜の代わりに、第１の部材側から順に、厚さ１０ｎｍのクロム（Ｃｒ）からなる接着膜、厚さ５０ｎｍの金（Ａｕ）からなる薄膜を被膜し、さらに、レーザー光として波長１０６４ｎｍ、出力が１０ＷのＹＡＧレーザー光を用いた以外は、実施例５と同様に実施した。 [Example 7]
In Example 7, an adhesive film made of chromium (Cr) having a thickness of 10 nm and a gold having a thickness of 50 nm (on the surface of the first member, instead of the silicon oxide thin film), in order from the first member side. This was carried out in the same manner as in Example 5 except that a thin film made of Au) was coated and a YAG laser beam having a wavelength of 1064 nm and an output of 10 W was used as the laser beam.

［実施例８］
実施例８は、第２の実施形態に対応する実施例であって、第１の部材に、熱可塑性樹脂である光吸収ポリカーボネート（商品名：ユーピロン S-3000、三菱エンジニアリングプラスチックス社製、第２の部材に非晶質ポリオレフィン（商品名：ZEONEX 330R、日本ゼオン社製）からなるものを用いた。また、第１の部材の一面には、酸化シリコン(SiO2)から成る厚さ１００ｎｍの薄膜を被膜した。そして、薄膜が被膜された一面が、第２の部材の一面に密着するように、第１及び第２の部材を重ねた。次いで、レーザー光源を第２の部材側に配置し、レーザー光を、第２の部材及び薄膜を介して第１の部材に照射した。第１の部材はレーザー光を吸収し、これにより、薄膜と第２の部材との密着面が加熱され、第２の部材が第１の部材に薄膜を介して接着され、実施例８の接着体を得た。なお、レーザー光は半導体レーザー光で、その波長が８０８ｎｍ、出力が１Ｗであった。 [Example 8]
Example 8 is an example corresponding to the second embodiment, and the first member includes a light-absorbing polycarbonate (trade name: Iupilon S-3000, manufactured by Mitsubishi Engineering Plastics, Inc. A member made of amorphous polyolefin (trade name: ZEONEX 330R, manufactured by Nippon Zeon Co., Ltd.) was used for the member 2. Also, one surface of the first member was made of silicon oxide (SiO 2 ) with a thickness of 100 nm. Then, the first and second members were overlapped so that the surface coated with the thin film was in close contact with one surface of the second member, and then the laser light source was disposed on the second member side. Then, the first member was irradiated with laser light through the second member and the thin film, and the first member absorbed the laser light, thereby heating the contact surface between the thin film and the second member. , The second member through the thin film to the first member It is deposited, to obtain an adhesive of Example 8. Here, the laser beam is a semiconductor laser, its wavelength is 808 nm, the output was 1W.

［実施例９］
実施例９は、第３の実施形態に対応する実施例であって、第１の部材として、無機ガラスであるクラウンガラス（商品名：レギュラースライドガラス、松浪硝子工業社製）を用いた。第１の部材の一面を黒色有機顔料（商品名：レンズ用ラッカーエナメル黒、早川塗料社製）で黒塗りし、非透過性膜を被膜し、その第１の部材の非透過性膜の上に、さらに酸化シリコン(SiO2)から成る厚さ１００ｎｍの薄膜を被膜した。その他は実施例１と同様にして実施した。 [Example 9]
Example 9 is an example corresponding to the third embodiment, and crown glass (trade name: regular slide glass, manufactured by Matsunami Glass Industrial Co., Ltd.), which is inorganic glass, was used as the first member. One side of the first member is black-coated with a black organic pigment (trade name: lacquer enamel black for lenses, manufactured by Hayakawa Paint Co., Ltd.), and a non-permeable film is coated on the non-permeable film of the first member. a further silicon oxide thin film having a thickness of 100nm composed of (SiO 2) was coated. Others were carried out in the same manner as in Example 1.

［比較例１］
比較例１は、第１の部材の一面に薄膜が被膜されておらず、第２の部材が第１の部材に直接密着されていた点以外は、実施例２と同様に実施した。 [Comparative Example 1]
Comparative Example 1 was carried out in the same manner as Example 2 except that one surface of the first member was not coated with a thin film and the second member was in direct contact with the first member.

［評価方法］
上記各実施例、比較例の接着体について、第２の部材を第１の部材から引っ張ったときの、第１の部材に対する第２の部材の接着性を確認した。その結果を表１に示す。第２の部材が第１の部材から剥がれなかったものについては表１においては○で示した。一方、第２の部材が第１の部材から簡単に剥がれ、或いは第２の部材が第１の部材に接着してなかったものについては表１においては×で示す。 [Evaluation methods]
About the adhesive body of each said Example and a comparative example, the adhesiveness of the 2nd member with respect to the 1st member when the 2nd member was pulled from the 1st member was confirmed. The results are shown in Table 1. Those in which the second member was not peeled off from the first member are indicated by ◯ in Table 1. On the other hand, those in which the second member is easily peeled off from the first member or the second member is not bonded to the first member are indicated by x in Table 1.

Figure 2010064427
Figure 2010064427

以上の評価結果から明らかなように、薄膜を介して接着された実施例１〜９においては、第２の部材を第１の部材に高い接着力で接着することができた。   As is clear from the above evaluation results, in Examples 1 to 9 bonded through the thin film, the second member could be bonded to the first member with high adhesive force.

第１の実施形態に係る接着方法を説明するための模式的な断面図である。It is a typical sectional view for explaining the adhesion method concerning a 1st embodiment. 第２の実施形態に係る接着方法を説明するための模式的な断面図である。It is a typical sectional view for explaining the adhesion method concerning a 2nd embodiment. 第３の実施形態に係る接着方法を説明するための模式的な断面図である。It is typical sectional drawing for demonstrating the adhesion method which concerns on 3rd Embodiment.

符号の説明Explanation of symbols

１１、２１、３１ 第１の部材
１２、２２、３２ 第２の部材
１３ 薄膜
３５ 非透過性膜 11, 21, 31 First member 12, 22, 32 Second member 13 Thin film 35 Non-permeable membrane

Claims (8)

第１の部材の一面に第２の部材を接着させる接着方法において、
前記第１の部材の一面には、金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種より形成される薄膜が被膜されており、
前記第１及び第２の部材のうち、一方の部材が、レーザー光を透過する透過性を有すると共に、他方の部材が、前記レーザー光を吸収する非透過性を有し、
前記一面に第２の部材を密着させた後、前記一方の部材を介して前記他方の部材にレーザー光を照射させることにより前記一面に前記第２の部材を接着させることを特徴とする接着方法。 In the bonding method of bonding the second member to one surface of the first member,
One surface of the first member is coated with a thin film formed from at least one selected from the group consisting of metals, metalloids, and compounds thereof,
Of the first and second members, one member has transparency to transmit laser light, and the other member has non-transparency to absorb the laser light,
After the second member is brought into close contact with the one surface, the second member is adhered to the one surface by irradiating the other member with laser light through the one member. . 前記薄膜は、誘電体材料又は金から形成されることを特徴とする請求項１に記載の接着方法。   The bonding method according to claim 1, wherein the thin film is formed of a dielectric material or gold. 前記誘電体材料は、酸化シリコン、酸化チタン、及びフッ化マグネシウムから成る群より選ばれる少なくとも一種の誘電体材料であることを特徴とする請求項２に記載の接着方法。   The bonding method according to claim 2, wherein the dielectric material is at least one dielectric material selected from the group consisting of silicon oxide, titanium oxide, and magnesium fluoride. 前記第１の部材は、レーザー光を透過する透過性を有すると共に、前記第２の部材が、前記レーザー光を吸収する非透過性を有することを特徴とする請求項１に記載の接着方法。   2. The bonding method according to claim 1, wherein the first member has transparency to transmit laser light, and the second member has non-permeability to absorb the laser light. 前記第１の部材の一面には、誘電体材料から形成される膜が複数積層されて反射防止膜が設けられており、前記反射防止膜の少なくとも一部が前記薄膜を構成することを特徴とする請求項１に記載の接着方法。   An antireflection film is provided by laminating a plurality of films formed of a dielectric material on one surface of the first member, and at least a part of the antireflection film constitutes the thin film. The bonding method according to claim 1. 金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種より形成される薄膜が、一面に被膜された第１の部材と、
前記一面に密着される第２の部材とを備え、
前記第１及び第２の部材のうち、一方の部材が、レーザー光を透過する透過性を有すると共に、他方の部材が、前記レーザー光を吸収する非透過性を有し、
前記一方の部材を介して前記他方の部材にレーザー光が照射されることにより、前記一面に前記第２の部材が接着させられることを特徴とする接着体。 A first member in which a thin film formed from at least one selected from the group consisting of metals, metalloids, and compounds thereof is coated on one surface;
A second member closely attached to the one surface,
Of the first and second members, one member has transparency to transmit laser light, and the other member has non-transparency to absorb the laser light,
An adhesive body, wherein the second member is adhered to the one surface by irradiating the other member with laser light through the one member. 第１の部材の一面に第２の部材を接着させる接着方法において、
前記第１の部材は、レーザー光を透過する透過性を有し、
前記第１の部材の一面には、前記レーザー光を吸収する非透過性膜、並びに金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種より形成される薄膜が順に被膜されており、
前記一面に前記第２の部材を密着させた後、前記第１の部材を介して前記非透過性膜にレーザー光を照射させることにより前記一面に前記第２の部材を接着させることを特徴とする接着方法。 In the bonding method of bonding the second member to one surface of the first member,
The first member is transmissive to transmit laser light,
One surface of the first member is sequentially coated with a non-permeable film that absorbs the laser light and a thin film formed from at least one selected from the group consisting of metals, metalloids, and compounds thereof. ,
After the second member is brought into close contact with the one surface, the second member is adhered to the one surface by irradiating the non-permeable film with laser light through the first member. How to bond. レーザー光を透過する透過性を有すると共に、前記レーザー光を吸収する非透過性膜、並びに金属、半金属、及びそれらの化合物からなる群より選ばれる少なくとも一種より形成される薄膜が、一面に順に被膜された第１の部材と、
前記一面に密着される第２の部材とを有し、
前記第１の部材を介して前記非透過性膜にレーザー光を照射させることにより前記一面に前記第２の部材を接着させることを特徴とする接着体。 A non-transparent film that transmits laser light and absorbs the laser light, and a thin film formed from at least one selected from the group consisting of metals, metalloids, and compounds thereof, A coated first member;
A second member closely attached to the one surface,
An adhesive body, wherein the second member is bonded to the one surface by irradiating the non-permeable film with laser light through the first member.
JP2008234821A 2008-09-12 2008-09-12 Adhesion method of member using laser beam Pending JP2010064427A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011207056A (en) * 2010-03-30 2011-10-20 Sumitomo Chemical Co Ltd Method of manufacturing composite body
JP2012168294A (en) * 2011-02-10 2012-09-06 Nitto Denko Corp Manufacturing method of optical connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011207056A (en) * 2010-03-30 2011-10-20 Sumitomo Chemical Co Ltd Method of manufacturing composite body
JP2012168294A (en) * 2011-02-10 2012-09-06 Nitto Denko Corp Manufacturing method of optical connector

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