WO2008013172A1 - Adhésif thermofusible pour fixer un module de circuit intégré, ruban stratifié et carte de circuit intégré utilisant l'adhésif - Google Patents
Adhésif thermofusible pour fixer un module de circuit intégré, ruban stratifié et carte de circuit intégré utilisant l'adhésif Download PDFInfo
- Publication number
- WO2008013172A1 WO2008013172A1 PCT/JP2007/064506 JP2007064506W WO2008013172A1 WO 2008013172 A1 WO2008013172 A1 WO 2008013172A1 JP 2007064506 W JP2007064506 W JP 2007064506W WO 2008013172 A1 WO2008013172 A1 WO 2008013172A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- module
- tape
- adhesive
- melt adhesive
- fixing
- Prior art date
Links
- 239000004831 Hot glue Substances 0.000 title claims abstract description 58
- 239000000853 adhesive Substances 0.000 title abstract description 34
- 230000001070 adhesive effect Effects 0.000 title abstract description 34
- 229920001225 polyester resin Polymers 0.000 claims abstract description 59
- 239000004645 polyester resin Substances 0.000 claims abstract description 59
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 59
- 239000002390 adhesive tape Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000012790 adhesive layer Substances 0.000 claims abstract description 17
- 229920000647 polyepoxide Polymers 0.000 claims description 40
- 239000003822 epoxy resin Substances 0.000 claims description 39
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical group OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 23
- 230000004927 fusion Effects 0.000 claims description 19
- KKEYFWRCBNTPAC-UHFFFAOYSA-N terephthalic acid group Chemical group C(C1=CC=C(C(=O)O)C=C1)(=O)O KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 18
- 238000002834 transmittance Methods 0.000 claims description 18
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid group Chemical group C(C=1C(C(=O)O)=CC=CC1)(=O)O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 15
- 150000002009 diols Chemical group 0.000 claims description 14
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 13
- 125000001142 dicarboxylic acid group Chemical group 0.000 claims description 8
- 239000002904 solvent Substances 0.000 abstract description 12
- 238000002844 melting Methods 0.000 abstract description 11
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- 238000002156 mixing Methods 0.000 description 13
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- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 7
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- 230000009477 glass transition Effects 0.000 description 7
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- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
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- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
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- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 2
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- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 1
- VFWCMGCRMGJXDK-UHFFFAOYSA-N 1-chlorobutane Chemical compound CCCCCl VFWCMGCRMGJXDK-UHFFFAOYSA-N 0.000 description 1
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
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- 235000013334 alcoholic beverage Nutrition 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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- 238000013329 compounding Methods 0.000 description 1
- XBZSBBLNHFMTEB-UHFFFAOYSA-N cyclohexane-1,3-dicarboxylic acid Chemical compound OC(=O)C1CCCC(C(O)=O)C1 XBZSBBLNHFMTEB-UHFFFAOYSA-N 0.000 description 1
- VEIOBOXBGYWJIT-UHFFFAOYSA-N cyclohexane;methanol Chemical group OC.OC.C1CCCCC1 VEIOBOXBGYWJIT-UHFFFAOYSA-N 0.000 description 1
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- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
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- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
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Classifications
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- G—PHYSICS
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- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
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- C—CHEMISTRY; METALLURGY
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
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- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
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- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
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- G06K19/07745—Mounting details of integrated circuit chips
- G06K19/07747—Mounting details of integrated circuit chips at least one of the integrated circuit chips being mounted as a module
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- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
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- H01L24/95—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips
- H01L24/97—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips the devices being connected to a common substrate, e.g. interposer, said common substrate being separable into individual assemblies after connecting
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09J2301/00—Additional features of adhesives in the form of films or foils
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01045—Rhodium [Rh]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01049—Indium [In]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01074—Tungsten [W]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/01—Chemical elements
- H01L2924/01082—Lead [Pb]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12041—LED
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/303—Surface mounted components, e.g. affixing before soldering, aligning means, spacing means
- H05K3/305—Affixing by adhesive
Definitions
- the present invention relates to a hot melt adhesive for fixing an IC module, a laminated tape and an IC card using the same. More specifically, the present invention relates to a hot-melt adhesive for fixing an IC module having sufficient transparency and having excellent solvent resistance, moist heat resistance, heat resistance, and the like, and an adhesive tape using this adhesive.
- the present invention relates to a laminated tape in which an IC module tape is laminated, and an IC card bonded and fixed to an IC module force card body cut out from the laminated tape.
- IC cards that are more difficult to forge because of the ability to record more data than a magnetic card and also to encrypt data are becoming widespread.
- an IC module is fitted into a recess provided in a resin card body, and the periphery thereof is joined and fixed to the card body by a hot melt adhesive.
- This IC card may be subjected to deformation such as bending and impact, etc. In such a case, the IC module should be firmly attached to the card body so that the IC module does not peel off from the card body and fall off. It must be joined and fixed.
- IC cards are currently in practical use for in-vehicle and mobile phone SIM cards (Subscriber Identity Module cards) used in toll road electronic automatic toll collection systems (ETC). For this reason, there is a need for solvent resistance that assumes adhesion of fuel, alcoholic beverages, etc., and in particular, moisture and heat resistance and heat resistance that are assumed to be high in the vehicle, such as in the summer, in a humid atmosphere (for example, patent documents). See 1.)
- the IC module bonded and fixed to this IC card is sealed by placing an IC chip on each of a plurality of circuit patterns formed in the length direction of the tape made of glass epoxy or the like.
- Each IC module is cut out from the IC module tape that has been cut by a method such as punching.
- this IC module tape is loaded with adhesive tape.
- the IC module to which the hot melt adhesive layer is bonded is cut out from the laminated tape by a method such as punching.
- IC chips are placed in each circuit pattern! /,
- the force to be inspected S the force to be inspected If the transparency of the adhesive tape is low at this time, it is difficult to detect the IC chip There is a problem.
- the temperature of the punching blade or the like rises, and depending on the composition, the adhesive may be fused to the punching blade or the like and workability may be reduced.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-27030
- the present invention has been made in view of the above-described conventional situation, and has a sufficient transparency, and has excellent solvent resistance, moist heat resistance, heat resistance, and the like.
- Adhesive, laminated tape in which an adhesive tape using this adhesive and an IC module tape are laminated, and IC module force s cut out from this laminated tape, IC card joined and fixed to the card body The purpose is to provide.
- the present invention is as follows.
- a saturated polyester resin is contained, and the saturated polyester resin has phthalic acid residues and 1,4 butanediol residues, and the total amount of dicarboxylic acid residues is 100 mol%.
- At least a part of the phthalic acid residue is a terephthalic acid residue.
- the ratio of the terephthalic acid residue is a mol%.
- the proportion of the 1, 4-butanediol residues when the total amount of residues and 100 mole% when the b mole 0/0, is (a X b) / 100 is 30 to 55 mole 0/0 IC according to claim 2 Hot melt adhesive for module fixing.
- an adhesive tape using the hot melt adhesive for fixing an IC module as described in 1 above, and a laminated tape comprising:
- An IC card comprising: an adhesive layer that joins the card body and the IC module.
- an adhesive tape having sufficient transparency can be obtained, so that an IC chip can be easily detected and has excellent solvent resistance, moisture and heat resistance, and Because of its heat resistance, it is useful as an adhesive for bonding IC modules to the card body in IC forces such as in-vehicle and mobile phone mounting.
- the saturated polyester resin contains phthalic acid residues and When 1,4 butanediol residues are present and the total amount of dicarboxylic acid residues is 100 mol%, the phthalic acid residues are 30 to 80 mol%, and the total amount of diol residues is 100 mol%.
- the 1,4-butanediol residue is 30 mol% or more, an adhesive tape having sufficient transparency can be obtained, and excellent solvent resistance, moist heat resistance and heat resistance can be obtained.
- the power S it can be used as a hot melt adhesive for fixing IC modules.
- the phthalic acid residues are terephthalic acid residues.
- the proportion of terephthalic acid residues is a mol%
- the total amount of diol residues is the ratio of 1
- 4-butanediol residues is 100 mole 0/0 on the b mole 0/0
- (a X b) / 100 is in the case of 30 to 55 mol%, more excellent
- a hot melt adhesive for fixing an IC module having characteristics can be obtained.
- an epoxy resin when further contained, it can be a hot melt adhesive for fixing an IC module having both a better visible light transmittance and an adhesive strength.
- the epoxy resin is a bisphenol A type epoxy resin, it has the ability to be used as a hot melt adhesive IJ for fixing IC modules with superior adhesion strength, solvent resistance, heat and humidity resistance, heat resistance, etc. S I'll do it.
- the epoxy resin is 3 to 30 parts by mass when the saturated polyester resin is 100 parts by mass, the visible light transmittance, adhesive strength, solvent resistance, Wet heat resistance and heat resistance can be sufficiently improved.
- the adhesive tape since the adhesive tape has sufficient transparency, an IC chip disposed at a predetermined position can be easily detected.
- the conventional adhesive tape may not necessarily be bonded with sufficient adhesive strength. If the adhesive tape is made of an adhesive, it can be bonded to the module base tape with a sufficient adhesive strength, and an excellent quality laminated tape can be obtained.
- the IC module is sufficiently firmly fixed to the card body, and the IC module is peeled off from the card body even after repeated use. There is no.
- the conventional adhesive cannot be bonded with sufficient adhesive strength.
- the hot melt adhesive for fixing an IC module of the present invention can be used. If the adhesive layer is used, it can be bonded to the card body with sufficient adhesive strength, and an IC card of excellent quality can be obtained.
- FIG. 1 Each of IC module tape and adhesive tape is unrolled and joined to form a laminated tape, after which an IC chip is detected, and then a laminated body having an IC module and an adhesive layer from the laminated tape It is a schematic diagram which shows the process by which is cut out.
- FIG. 2 is a schematic view showing a cross section of an IC module tape.
- FIG. 3 is a schematic view showing a cross section of an adhesive tape having a release material laminated on the other surface.
- FIG. 4 is a schematic view showing a cross section of a laminated tape in which an IC module tape and an adhesive tape are laminated.
- FIG. 5 is a perspective view of an IC card.
- FIG. 6 is a cross-sectional view taken along the line AA ′ of FIG. 5, showing a state in which the IC module is bonded and fixed to the concave portion provided in the card body by an adhesive layer.
- FIG. 7 is a plan view of a test card body having an opening at the center and a step provided at the periphery thereof.
- FIG. 8 is a schematic diagram showing how the adhesive strength is measured when a test IC module is joined to a test card body with a test adhesive layer.
- IC card 11; card body, 12; IC module, 12a; IC module substrate, 12b; IC chip, 12c; sealing part, 13; adhesive layer, T; laminated tape, 121; IC module tape , 1 21 a; Module substrate tape, 131; Adhesive tape, 131a; Release material tape, 31; Feeding roll, 32; Heater, 33; Detector, 34; Punching machine, 4; Specimen, 41; Test card body, 411; opening, 412; stepped part, 42; test IC module, 421; IC module substrate, 42; IC chip, 423; sealing part, 43; test adhesive layer, 5; probe .
- the hot-melt adhesive for fixing an IC module of the present invention contains a saturated polyester resin having a heat of fusion of 8 to 25 mj / mg, and transmits visible light having a wavelength of 600 nm measured using a film having a thickness of 30 m.
- the rate is 5% or more.
- the "heat of fusion" of the saturated polyester resin is 8 to 25 mj / mg, preferably 10 to 25 mj / mg, and particularly preferably 10 to 20 mj / mg. If the heat of fusion is 8 to 25 mj / mg, it can be a hot melt adhesive for fixing an IC module having sufficient transparency and excellent solvent resistance, moist heat resistance and heat resistance. . In addition, workability degradation due to fusion to the punching blade due to temperature rise when cutting out from the laminated tape can be suppressed.
- the heat of fusion can be measured by a method according to JIS K 7122-1987 using a differential scanning calorimeter. Details of the measurement conditions will be described in the examples below.
- the transparency of the hot melt adhesive for fixing an IC module can be expressed by the above-mentioned "visible light transmittance".
- the visible light transmittance is 5% or more, preferably 10% or more, particularly 15% or more, and more preferably 20% or more. If the visible light transmittance is 5% or more, the IC chip disposed on the IC module tape can be easily detected.
- the IC chip is covered with sealing resin, it can be confirmed by detecting the sealing portion.
- This visible light transmittance can be measured using a spectrophotometer. The details of the measurement conditions will be described in detail in Examples below.
- saturated polyester resin refers to the force produced by polycondensation of a dicarboxylic acid and a diol.
- the dicarboxylic acid is not particularly limited, and examples thereof include aromatic dicarboxylic acids such as orthophthalic acid, isophthalic acid, terephthalic acid, and 2,6-naphthalenedicarboxylic acid, fats such as adipic acid, sebacic acid, azelaic acid, and dodecanedioic acid. And alicyclic dicarboxylic acids such as 1,3-cyclohexanedicarboxylic acid and 1,4-cyclohexanedicarboxylic acid. Only one dicarboxylic acid may be used, or two or more dicarboxylic acids may be used in combination.
- aromatic dicarboxylic acids such as orthophthalic acid, isophthalic acid, terephthalic acid, and 2,6-naphthalenedicarboxylic acid
- fats such as adipic acid, sebacic acid, azelaic acid, and dodecanedioic acid.
- alicyclic dicarboxylic acids
- terephthalic acid, isophthalic acid, and aliphatic dicarboxylic acids having 5 to 11 carbon atoms, particularly 5 to 10 carbon atoms, such as adipic acid and sebacic acid are often used.
- dicarboxylic acids it is preferable to use terephthalic acid and isophthalic acid in combination with aliphatic dicarboxylic acids having 5 to 11 carbon atoms, particularly 5 to 10 carbon atoms, and carbon number. More preferably, it is used in combination with an aliphatic dicarboxylic acid having 5 to 11 and particularly 5 to 10 carbon atoms.
- an acid anhydride, an ester, an acid chloride, or the like can be used.
- the diol is not particularly limited. Etc. Only one diol may be used, or two or more diols may be used in combination. Of these, alkyl diols having 3 to 6 carbon atoms such as 1,4 butanediol and 1,6-hexanediol are often used.
- the diol is preferably an alkyl diol having 3 to 5 carbon atoms, particularly 1,4 butanediol.
- This saturated polyester resin has phthalic acid residues and 1,4 butanediol residues, and when the total amount of dicarboxylic acid residues is 100 mol%, the phthalic acid residues are 30 to 80%. If the total amount of diol residues is 100 mol%, 1,4 butane diol residues are 30 mol% or more (or 100 mol% may be used). Can do.
- This saturated polyester resin can be produced with a force S by using at least phthalic acid as a dicarboxylic acid and at least 1,4 butanediol as a diol in a predetermined mass ratio.
- the phthalic acid residue is a terephthalic acid residue, and the terephthalic acid residue when the total amount of dicarboxylic acid residues is 100 mol%.
- the proportion of 1,4 butanediol residues is b mol%, assuming that the proportion of diol residues is a mol% and the total amount of diol residues is 100 mol%, (a X b) / 100 is 30 to 30%. It is preferably 55 mol%.
- this resin is a resin produced by using at least terephthalic acid as the dicarboxylic acid and at least 1,4 butanediol as the diol, and has a large proportion of residues composed of these monomers. In this way, tele If the ratio of phthalic acid residues and 1,4 butanediol residues is large, a saturated polyester resin having a predetermined heat of fusion, that is, having crystallinity can be easily obtained.
- the melting point and glass transition point of the saturated polyester resin are not particularly limited! /.
- the melting point does not have a certain correlation with the heat of fusion of the saturated polyester resin and the visible light transmittance of the hot melt adhesive for fixing the IC module, but usually 105 to 135; 135 ° C, particularly 110 to 13 0 ° C.
- the glass transition point is preferably room temperature (25 to 30 ° C) or lower. More preferably, the glass transition point is 40 ° C to room temperature, particularly 120 ° C to room temperature.
- Such a saturated polyester resin can be made into a resin having a blocking resistance that easily crystallizes at around room temperature.
- a saturated polyester resin having a glass transition point in this range can be used as a hot melt adhesive for fixing an IC module having moderate flexibility at room temperature and excellent followability to bending.
- the above-described deterioration in workability when the IC module and the adhesive layer are cut out from the laminated tape can be sufficiently suppressed.
- An epoxy resin may be blended with a saturated polyester resin to form a hot melt adhesive for fixing an IC module.
- a saturated polyester resin By blending an epoxy resin, visible light transmittance, adhesive strength, solvent resistance, moist heat resistance, heat resistance, and the like can be further improved.
- the hot melt adhesive for fixing an IC module according to the present invention has excellent adhesiveness even without an epoxy resin.
- an epoxy resin is added to the adhesive strength. Etc. are preferably improved.
- the epoxy resin is not particularly limited, and examples thereof include a bisphenol type epoxy resin and a novolak type epoxy resin.
- This epoxy resin is preferably a bisphenol A type epoxy resin.
- the epoxy resin preferably has a softening point of 60 to 140 ° C. and a weight average molecular weight of 700 to 6000. Accordingly, a bisphenol A type epoxy resin having a softening point of 60 to 140 ° C and a weight average molecular weight of 700 to 6000 is particularly preferable.
- the hot melt adhesive for fixing an IC module does not have a tack property at room temperature, and the module base tape It is possible to obtain a high-quality IC card that is free from thermal deformation.
- the blending amount is saturated regardless of the type of epoxy resin.
- the polyester resin is 100 parts by mass, it can be 3 to 30 parts by mass, preferably 3 to 25 parts by mass, particularly 5 to 20 parts by mass, and more preferably 7 to 15 parts by mass. If the compounding amount of the epoxy resin is 3 to 30 parts by mass, even if the module base tape has a saturated polyester resin strength, it is possible to firmly bond the module base tape to the card body with the force S. .
- a hot-melt adhesive for fixing an IC module may be prepared by blending a saturated polyester resin with an inorganic filler.
- an inorganic filler By blending an inorganic filler, it is possible to further improve the fluidity before curing, as well as the heat deformability and non-tackiness after curing.
- the inorganic filler is not particularly limited, and examples thereof include powders such as calcium carbonate, zinc oxide, titanium oxide, talc, clay, alumina, fumed silica, my strength, aluminum hydroxide, and magnesium hydroxide. As this inorganic filler, talc, calcium carbonate, clay and the like are preferable.
- the visible light transmittance varies depending on the type of inorganic filler, its particle size, the difference in refractive index between the inorganic filler and saturated polyester resin, and the dispersion state of the inorganic filler in the saturated polyester resin. To do. Therefore, the visibility cannot be estimated and adjusted only by the blending amount of the inorganic filler, but if the inorganic filler is excessive, it is not easy to improve the visibility. Therefore, when blending an inorganic filler, the blending amount is 25 parts by mass or less, particularly 1 to 20 parts by mass, and further 1 to 15 parts by mass when the saturated polyester resin is 100 parts by mass. Is preferred. If the blending amount of the inorganic filler is 25 parts by mass or less, particularly 15 parts by mass or less, an adhesive tape having sufficient visible light permeability can be obtained, and an IC chip can be easily detected.
- the hot melt adhesive for fixing an IC module of the present invention is an operation for continuously cutting a large number of IC modules from a laminated tape by punching or the like without blending an inorganic filler having high heat resistance. Excellent in properties. Therefore, it is not necessary to add many inorganic fillers for the purpose of improving the workability, but in order to further improve the workability, the inorganic filler is used in an amount of 3 parts by mass or more, particularly 5 parts by mass or more. It is preferable to blend (usually 15 parts by mass or less).
- the hot melt adhesive for fixing an IC module includes an epoxy resin and an inorganic filler. Can be blended and contained. In this case, the types of epoxy resins and their blending amounts, and the types of inorganic fillers and their blending amounts are applicable! it can.
- additives can be blended in the hot melt adhesive for fixing the IC module, if necessary, as long as the function and effect thereof are not impaired.
- the additive include a plasticizer, an antioxidant, an ultraviolet absorber, a colorant, an anti-tacking agent, a stabilizer, a release agent, a metal deactivator, an antistatic agent, and the above inorganic filler.
- Other fillers etc. are mentioned.
- the method for producing a hot melt adhesive for fixing an IC module is not particularly limited.
- a normal thermoplastic resin represented by a single-screw or biaxial screw-type melt kneader, or a kneader-type heat kneader. It can manufacture using the mixer of.
- an epoxy resin, an inorganic filler, and various additives with a saturated polyester resin melt and mix at a temperature equal to or higher than the softening temperature of each of the saturated polyester resin and the epoxy resin to be used. Is preferred.
- the laminated tape T of the present invention includes a module base tape 121a in which a plurality of circuit patterns are provided at intervals in the length direction, and is electrically connected to each of the plurality of circuit patterns disposed on one surface thereof.
- IC module tape 121 having the same number of IC chips 12b as the circuit patterns formed, and sealing portions 12c for sealing each IC chip 12b, and one surface of the module base tape 121a and each sealing portion 12c
- an adhesive tape 131 using the hot melt adhesive for fixing the IC module of the present invention see FIG. 4).
- the “IC module tape 121” includes a module base tape 121a, an IC chip 12b, and a sealing portion 12c (see FIG. 2).
- the IC chip 12b is not particularly limited as long as it is normally used for the IC card 1 (see FIGS. 5 and 6).
- the material of the sealing part 12c and the sealing method are not particularly limited as long as it is a sealing agent and a sealing method that are generally used for manufacturing the IC card 1.
- the material and circuit pattern of the module base tape 121a are not particularly limited, but the module base tape 121a is saturated polyester. When using resin, the effect
- the IC module 12 when the module base tape 121a is made of glass epoxy or the like, the IC module 12 is firmly bonded to the card body 11 (see FIGS. 5 and 6) with an adhesive such as polyamide or nitrile rubber. it can.
- the module base tape 121a using a saturated polyester resin may be insufficiently bonded with an adhesive such as polyamide or nitrile rubber.
- the hot melt adhesive for fixing an IC module of the present invention the IC module 12 is firmly bonded to the force body 11 even when the module base tape 121a is made of saturated polyester resin. be able to.
- the "adhesive tape 131" is formed into a tape using the hot melt adhesive for fixing an IC module of the present invention, the width is the same as the IC module tape 121, and the thickness is 20 to Preferably 100 Hm, especially 30-70 ⁇ m! M (see Figure 3).
- the IC card 1 of the present invention includes a card body 11, an IC module 12 (see FIGS. 5 and 6) cut out from the IC module tape 121 of the multilayer tape T of the present invention (see FIG. 4), and the multilayer tape T. And an adhesive layer 13 (see FIG. 6) that is cut out together with the IC module 12 from the adhesive tape 131 and joins the card body 11 and the IC module 12.
- the shape and dimensions of the “card body 11” are not particularly limited as long as they are normally used for the IC card 1.
- the material of the card body 11 is not particularly limited, but the action and effects of the present invention are more remarkable when the card body 11 is made of a saturated polyester resin. That is, when the card body 11 is made of butyl chloride, ABS resin, or the like, it is possible to strongly bond the card body 11 and the IC module 12 with an adhesive such as polyamide or nitrile rubber. However, in the card body 11 using the saturated polyester resin, bonding may be insufficient with an adhesive such as a polyamide or nitrile rubber. On the other hand, with the hot melt adhesive for fixing an IC module of the present invention, even when the card body 11 is made of a saturated polyester resin, the card body 11 and the IC module 12 are more firmly bonded by the adhesive layer 13. be able to.
- the manufacturing method of IC module 12 (see Figs. 5 and 6) using laminated tape T (see Fig. 4) is special.
- the IC module tape 121 (see FIG. 2) and the adhesive tape 131 (see FIG. 3) each having a release material tape 131a laminated on one side are wound at the same time.
- the release tape 131a is laminated between the pair of feed rolls 31 so that the one side of the IC module tape 121 where the IC chip 12b is disposed and the adhesive tape 131 are laminated.
- the manufacturing method of the IC card 1 is not particularly limited.
- the IC card 1 is joined to the stepped portion of the card body 11 having a recess and a stepped portion formed on the periphery thereof at a predetermined position.
- the card body 11 and the IC module 12 are arranged so that the peripheral edge of the adhesive layer 13 is in contact (see FIG. 6), and then a predetermined heating surface of the heater is pressed against the contact portion, Heating and pressurizing for the required time at temperature, and the IC module 12 is joined to the card body 11 and manufactured.
- the heating, pressurizing temperature, pressure, and time are not particularly limited, but the temperature is 150 to 230. C, especially 170-210. C, further 180-200. Can be C.
- the pressure can be from 0.05 to 0.35 MPa, in particular from 0.07 to 0.30 MPa, and even from 0.09 to 0.20 MPa.
- the time between the temples can be 0.5-5 seconds, especially 0.7-7;! 5 seconds, and further 0.9-9;! 3 seconds.
- These temperature, pressure and time can be combined with each other, the temperature is 180 ⁇ 200 ° C, the pressure is 0.09-0. LMPa, and the time is 0.9 ⁇ ; It is particularly preferred.
- the heating and pressurization may be performed only once, and may be repeated a plurality of times (2 to 3 times, especially 2 times) continuously as necessary.
- the IC module 12 Since the IC module 12 is joined to the card body 11 as described above, the IC module 12 and the inner surface of the concave portion of the card body 11 are usually not joined or not joined sufficiently. However, the IC module 12 does not peel off or drop off from the card body 11. It should be noted that the IC module 12 is peeled off or removed from the card body 11 when the IC force card 1 is bent because it is not joined inside or not joined sufficiently. Damage to the IC chip 12b is prevented.
- a hot melt adhesive for fixing an IC module was produced using saturated polyester resins (A) to (F) having the monomer composition shown in Table 1.
- the amount of heat of fusion of each saturated polyester resin was measured as follows.
- a differential scanning calorimeter was used and the measurement was performed by a method according to JIS K 7122-1987. Standard condition adjustment: Before measurement, the sample was allowed to stand in an atmosphere of 23 ⁇ 2 ° C and 50 ⁇ 5% RH for 24 hours, and then subjected to measurement.
- Measuring device Differential scanning calorimeter (Seiko Instruments, Model “RDC220”) Workstation “SSC5200”
- Measurement conditions Nitrogen gas flow, using aluminum pan, sample mass 7.5 ⁇ 2.5 mg Measurement method: Cool from normal temperature to -70 ° C, hold this temperature for 5 minutes, then 10 ⁇ 0.5 ° A DSC curve was drawn by raising the temperature to 200 ° C at a rate of C / min. Next, on this curve, the points away from the baseline before and after the transition and the points returning to the baseline were connected by a straight line, and the area of the formed heat of fusion peak figure was determined. Thereafter, the heat of fusion was calculated using a workstation attached to the measuring device.
- the melting heat amount of each melting heat peak was calculated as described above, and the sum of the respective values was used as the melting heat amount of the hot melt adhesive for fixing the IC module.
- the temperature corresponding to the melting heat peak on the highest temperature side of the melting heat peak was defined as the melting point.
- the measurement was performed by a method according to JIS K 7121-1987. Raise the temperature from room temperature to 200 ° C, hold this temperature for 10 minutes, — Rapidly cool to 70 ° C, hold this temperature for 10 minutes, then raise the temperature to 50 ° C at a rate of 10 ⁇ 0.5 ° C / min and draw a DSC curve. The glass transition point was determined.
- Epoxy resin Bisphenol A type, manufactured by Japan Epoxy Resin Co., Ltd., trade name “E P-1007”
- Inorganic filler Talc, manufactured by Fuji Fine Co., Ltd., trade name “RKP-80”
- Hydrolysis inhibitor Polycarposimide, manufactured by Sumitomo Bayer Urethane Co., Ltd., trade name “NPE”
- Measuring device Spectrophotometer (manufactured by Shimadzu Corporation, model “UV2400PC”)
- Light source 50W halogen lamp (wavelength 800-370nm) and deuterium lamp (wavelength 370-19Onm)
- Measurement method Using a hot melt adhesive for fixing each IC module, a 30-m thick film was formed by a T-die extruder, and this film was scanned at a wavelength range of 800 to 190 nm at 210 nm / min. The transmittance at a wavelength of 600 nm was determined.
- test adhesive layer 43 (see Fig. 8) was laminated, and temporarily bonded by heating and pressing at a temperature of 130 ° C and a pressure of 0.5 MPa for 2 seconds.
- PETG made by Eastman Chemical Co., trade name “EASTER GN071”, terephthalic acid residue, ethylendalcol residue and cyclohexane dimethanol residue, which was previously provided with opening 411 and step 412
- the test card body 41 (see Fig. 7) made of a saturated polyester resin) (see Fig.
- test adhesive layer 43 is arranged in such a way that the peripheral edge of each of the test adhesive layer 43 and the IC module substrate 421 is fitted. Then, it was heated and pressed at 190 ° C. and 0.36 MPa for 2 seconds to perform main bonding, and a test specimen 4 was prepared (see FIG. 8). Next, the test body 4 was visually observed from the test adhesive layer 43 side.
- ⁇ means that the outline of the sealing part 423 was clearly visible
- X means that the outline was not visible.
- Specimen 4 was produced in the same manner as (2) above. Thereafter, the test IC module 42 was pushed out from the side opposite to the bonding surface by a probe 5 at a punching speed of 50 mm / min, and the initial adhesive strength was measured (see FIG. 8).
- a is 2 ⁇ Omm
- b is 13. Omm
- c is 12. Omm.
- di in Fig. 8 is 0.76mm
- e S0.55mm.
- Specimen 4 prepared as described in (2) above was exposed to a high-temperature atmosphere at 95 ° C for 500 hours, and then the adhesive strength (unit: N) was measured in the same manner as in (3) above to determine the heat resistance. Evaluated.
- Comparative Examples 4 and 5 the physical properties were evaluated in the same manner using the following commercially available hot-melt adhesives for fixing IC modules.
- Comparative Example 4 Nitril phenol rubber system (trade name “HAF-8410” manufactured by Tesa)
- Comparative Example 5 Modified polyamide system (trade name “Cadel70-1” manufactured by Cadel)
- Epoxy resin 10 10
- agent Inorganic filler 10 10
- Hydrolysis inhibitor 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. 5 0. Visible light transmittance (3 ⁇ 4) 16 71 20 63 15
- Examples using saturated polyester resins (A), (B), (C) and (D);! ⁇ 8 hot-melt adhesive for fixing IC modules has excellent IC chip visibility It can be seen that it has a sufficient initial adhesive strength and durability of adhesive strength.
- the hot melt adhesive for fixing an IC module of Example 24 containing 10 parts by mass of an epoxy resin, the visible light transmittance is improved, so that the IC chip has excellent visibility, It can be seen that the initial bond strength and the durability of the bond strength are both improved.
- Example 7 containing 5 parts by mass of epoxy resin although the initial adhesive strength is reduced, the durability of the adhesive strength is excellent and the visible light transmittance is also improved.
- Example 8 containing 20 parts by mass of epoxy resin the adhesive performance was not further improved as compared with Examples 2 and 4, but had excellent initial adhesive strength and durability, Visible light transmittance is also improved.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07791231.9A EP2045305B1 (en) | 2006-07-25 | 2007-07-24 | Hot-melt adhesive for fixing ic module, and laminated tape and ic card using the adhesive |
CN2007800275214A CN101490196B (zh) | 2006-07-25 | 2007-07-24 | 固定ic模块用热熔胶粘剂、使用该胶粘剂的叠层带和ic卡 |
JP2008526776A JP5029606B2 (ja) | 2006-07-25 | 2007-07-24 | Icモジュール固定用ホットメルト接着剤、これを用いてなる積層テープ及びicカード |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-202508 | 2006-07-25 | ||
JP2006202508 | 2006-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008013172A1 true WO2008013172A1 (fr) | 2008-01-31 |
Family
ID=38981483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/064506 WO2008013172A1 (fr) | 2006-07-25 | 2007-07-24 | Adhésif thermofusible pour fixer un module de circuit intégré, ruban stratifié et carte de circuit intégré utilisant l'adhésif |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2045305B1 (ja) |
JP (1) | JP5029606B2 (ja) |
CN (1) | CN101490196B (ja) |
WO (1) | WO2008013172A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010056271A1 (en) * | 2008-10-30 | 2010-05-20 | Eastman Chemical Company | Aromatic-aliphatic polyester hot melt adhesives for roll-applied labels |
CN102766413A (zh) * | 2012-08-20 | 2012-11-07 | 天津博苑高新材料有限公司 | Ic卡封装专用热熔胶带及其制备方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102460457B1 (ko) * | 2016-12-28 | 2022-10-28 | 미쯔비시 케미컬 주식회사 | 폴리에스테르계 점착제 조성물, 폴리에스테르계 점착제, 점착 시트 및 점착제층 부착 광학 부재 |
EP3836010A1 (en) | 2019-12-12 | 2021-06-16 | Fingerprint Cards AB | A biometric sensor module for card integration |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999029797A1 (fr) * | 1997-12-09 | 1999-06-17 | Toagosei Co., Ltd. | Composition adhesive thermofusible et cartes a circuit integre stratifiees par la resine |
JP2001216492A (ja) * | 2000-02-04 | 2001-08-10 | Toagosei Co Ltd | 樹脂積層型非接触式icカード |
JP2003027030A (ja) | 2001-07-19 | 2003-01-29 | Nitto Shinko Kk | 耐湿熱性ホットメルト接着剤組成物 |
JP2004059840A (ja) * | 2002-07-31 | 2004-02-26 | Dainippon Ink & Chem Inc | 接着剤用ポリエステル樹脂粒子 |
JP2005309953A (ja) * | 2004-04-23 | 2005-11-04 | Dainippon Printing Co Ltd | インターポーザ付シートの巻体およびicタグ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1108811A (zh) * | 1994-10-19 | 1995-09-20 | 胡斌 | 集成电路电子信息储存卡及其封装方法 |
JP2000036026A (ja) * | 1998-07-21 | 2000-02-02 | Konica Corp | Icカードおよびicカードの製造方法 |
JP2005050326A (ja) * | 2003-07-14 | 2005-02-24 | Nec Tokin Corp | 非接触で通信可能な通信媒体及びその製造方法 |
-
2007
- 2007-07-24 CN CN2007800275214A patent/CN101490196B/zh active Active
- 2007-07-24 JP JP2008526776A patent/JP5029606B2/ja active Active
- 2007-07-24 WO PCT/JP2007/064506 patent/WO2008013172A1/ja active Application Filing
- 2007-07-24 EP EP07791231.9A patent/EP2045305B1/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999029797A1 (fr) * | 1997-12-09 | 1999-06-17 | Toagosei Co., Ltd. | Composition adhesive thermofusible et cartes a circuit integre stratifiees par la resine |
JP2001216492A (ja) * | 2000-02-04 | 2001-08-10 | Toagosei Co Ltd | 樹脂積層型非接触式icカード |
JP2003027030A (ja) | 2001-07-19 | 2003-01-29 | Nitto Shinko Kk | 耐湿熱性ホットメルト接着剤組成物 |
JP2004059840A (ja) * | 2002-07-31 | 2004-02-26 | Dainippon Ink & Chem Inc | 接着剤用ポリエステル樹脂粒子 |
JP2005309953A (ja) * | 2004-04-23 | 2005-11-04 | Dainippon Printing Co Ltd | インターポーザ付シートの巻体およびicタグ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010056271A1 (en) * | 2008-10-30 | 2010-05-20 | Eastman Chemical Company | Aromatic-aliphatic polyester hot melt adhesives for roll-applied labels |
CN102766413A (zh) * | 2012-08-20 | 2012-11-07 | 天津博苑高新材料有限公司 | Ic卡封装专用热熔胶带及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2045305A1 (en) | 2009-04-08 |
JPWO2008013172A1 (ja) | 2009-12-17 |
EP2045305A4 (en) | 2016-09-07 |
EP2045305B1 (en) | 2017-09-27 |
JP5029606B2 (ja) | 2012-09-19 |
CN101490196A (zh) | 2009-07-22 |
CN101490196B (zh) | 2012-12-19 |
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