JPH01502868A - Manufacturing method of semiconductor device - Google Patents
Manufacturing method of semiconductor deviceInfo
- Publication number
- JPH01502868A JPH01502868A JP62507154A JP50715487A JPH01502868A JP H01502868 A JPH01502868 A JP H01502868A JP 62507154 A JP62507154 A JP 62507154A JP 50715487 A JP50715487 A JP 50715487A JP H01502868 A JPH01502868 A JP H01502868A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- die
- heating
- substrate
- lead frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 title description 11
- 238000004519 manufacturing process Methods 0.000 title description 7
- 239000000853 adhesive Substances 0.000 claims description 107
- 230000001070 adhesive effect Effects 0.000 claims description 107
- 238000000034 method Methods 0.000 claims description 71
- 238000010438 heat treatment Methods 0.000 claims description 55
- 239000000203 mixture Substances 0.000 claims description 48
- 239000000758 substrate Substances 0.000 claims description 43
- 229920005989 resin Polymers 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 14
- 229920005992 thermoplastic resin Polymers 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 229920001169 thermoplastic Polymers 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 8
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 239000010931 gold Substances 0.000 claims description 7
- 229920001187 thermosetting polymer Polymers 0.000 claims description 7
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical group O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052762 osmium Inorganic materials 0.000 claims description 5
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 229920006259 thermoplastic polyimide Polymers 0.000 claims description 2
- 239000011231 conductive filler Substances 0.000 claims 5
- 239000000945 filler Substances 0.000 claims 3
- 239000000835 fiber Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- -1 Polyphenylene Polymers 0.000 description 4
- 230000004913 activation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000004840 adhesive resin Substances 0.000 description 3
- 229920006223 adhesive resin Polymers 0.000 description 3
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 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 2
- 230000007246 mechanism Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229920005575 poly(amic acid) Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- AJQOASGWDCBKCJ-UHFFFAOYSA-N Butoxyacetic acid Chemical compound CCCCOCC(O)=O AJQOASGWDCBKCJ-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 239000004822 Hot adhesive Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000287462 Phalacrocorax carbo Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 150000001983 dialkylethers Chemical class 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000003353 gold alloy Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/482—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 lead-in layers inseparably applied to the semiconductor body
- H01L23/4827—Materials
- H01L23/4828—Conductive organic material or pastes, e.g. conductive adhesives, inks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
- H01L24/75—Apparatus for connecting with bump connectors or layer connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/2919—Material with a principal constituent of the material being a polymer, e.g. polyester, phenolic based polymer, epoxy
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29199—Material of the matrix
- H01L2224/2929—Material of the matrix with a principal constituent of the material being a polymer, e.g. polyester, phenolic based polymer, epoxy
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29298—Fillers
- H01L2224/29299—Base material
- H01L2224/293—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29338—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/29339—Silver [Ag] as principal constituent
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- H—ELECTRICITY
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
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- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29298—Fillers
- H01L2224/29299—Base material
- H01L2224/293—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29338—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/29344—Gold [Au] as principal constituent
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29298—Fillers
- H01L2224/29299—Base material
- H01L2224/293—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29363—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than 1550°C
- H01L2224/29364—Palladium [Pd] as principal constituent
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/29198—Material with a principal constituent of the material being a combination of two or more materials in the form of a matrix with a filler, i.e. being a hybrid material, e.g. segmented structures, foams
- H01L2224/29298—Fillers
- H01L2224/29299—Base material
- H01L2224/293—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29363—Base material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than 1550°C
- H01L2224/29369—Platinum [Pt] as principal constituent
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
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Abstract
(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 半導体装置の製造方法 発明の分野 本発明は半導体装置の組み立てに関し、特にポリマ基ダイ、(d i e)取付 接着剤を使用するダイのり一ドフレームへの取付方法及び装置に関する。[Detailed description of the invention] Manufacturing method of semiconductor device field of invention TECHNICAL FIELD The present invention relates to the assembly of semiconductor devices, and particularly to polymer-based die, (die) mounting. The present invention relates to a method and apparatus for attaching a die to a frame using an adhesive.
発明の背景 ポリマ基ハイブリッド回路、チップ−オン−ボード、その他の半導体装置などを 含む組立てステージ処理は、以下に示す一般的な処理順序を採用している。Background of the invention Polymer-based hybrid circuits, chip-on-board, and other semiconductor devices, etc. The assembly stage processing involved employs the general processing order shown below.
(1)サブストレート(例えばリードフレーム)に接着剤をディスペンスするが 、ここで接着剤とサブストレートとは室温にあり、 (2)接着剤の上にダイを置き、 (3)接着剤を硬化させる為に組立体を135℃ないし250℃でベーキングし 、 (4)ダイとサブストレート上の点との間の電気的接続を行うためにこれらの間 をワイアでボンディングし、更に、 (5)パッケージを完成するためにダイを外囲に納める(たとえばエポキシの中 にモールドして)。(1) Dispensing adhesive onto the substrate (e.g. lead frame) , where the adhesive and substrate are at room temperature, (2) Place the die on the adhesive, (3) Bake the assembly at 135℃ to 250℃ to harden the adhesive. , (4) between the die and a point on the substrate to make an electrical connection between them; Bonded with wire, and further, (5) Encasing the die to complete the package (e.g. in epoxy) molded into).
金の細線、金合金又はアルミニウムワイアをダイパッドとリードに、以下の様に して溶接する、(1)はぼ室温から約300℃の間の温度での熱ソニック(th ervosonlc)ボンディングニヨツテ、又ハ、(2)300℃までの、或 いはそれ以上の温度と共に圧力を使用しての方法である熱圧接(thermoc oipression)ポンディングによって。Use fine gold wire, gold alloy or aluminum wire as the die pad and leads as shown below. (1) Thermal sonic (th (2) up to 300℃, or Thermocompression welding is a method that uses pressure in conjunction with higher temperatures. oipression) by pounding.
どのライン工程においても、製造速度と各工程に必要なスペースとが重要問題で ある。In any line process, production speed and the space required for each process are important issues. be.
ダイをリードフレームに接着する接着剤としては、(1)電気伝導的である、 (2)熱的に伝導的である、 (3)非伝導的である、 ものであり得る。The adhesive for bonding the die to the lead frame must be (1) electrically conductive; (2) thermally conductive; (3) non-conductive; It can be something.
半導体のパッケージの設計が、ダイの裏を接地として使用している時には、リー ドフレームから電流が出ることが出来る様にするために電気的に導電性の接着剤 が必要となる。When a semiconductor package design uses the back of the die as a ground, the lead electrically conductive adhesive to allow current to flow out of the frame Is required.
或いは、一つ又はそれ以上のパッドが接地の作用が可能で、リードを介して電流 を流し得るようにする事も出来る。この場合、熱的又は非伝導的接着剤をダイボ ンディング剤として使用する。Alternatively, one or more pads can act as a ground and conduct current through the leads. It can also be made to flow. In this case, the thermal or non-conductive adhesive is Used as a loading agent.
この技術において現在使用されるポリマ基接着剤はエポキシ樹脂とポリイミドに 硬化されるポリアミン酸(polyaaic acid)とである。The polymer-based adhesives currently used in this technology are epoxy resins and polyimides. and polyamic acid that is cured.
半導体装置を製造する改良方法を提供する事が本発明の目的である。It is an object of the present invention to provide an improved method of manufacturing semiconductor devices.
一つ又はそれ以上の製造工程を省略する方法を提供する事が別の目的である。It is another object to provide a method that eliminates one or more manufacturing steps.
半導体装置を製造するのに必要な全時間を短縮する方法を提供する事が更に別の 目的である。It is a further object to provide a method for reducing the overall time required to manufacture semiconductor devices. It is a purpose.
この改良方法を実施する設備乃至装置を提供する事もまた本発明の目的である。It is also an object of the invention to provide equipment for carrying out this improved method.
その他の目的は本明細書を更に読むことによって当業者には明らかになるであろ う。Other objects will become apparent to those skilled in the art upon further reading of this specification. cormorant.
発明の要約 方法は以下の工程を有する半導体装置の製造を改良することによりて発見された 。 。Summary of the invention The method was discovered by improving the manufacturing of semiconductor devices with the following steps: . .
(a)サブストレートの上にポリマ基接着剤組成物のボンディング量を置く、 (b)次に接着剤組成物を活性化するために加熱する、そして、 (C)接着剤にダイを接触させて、それによってダイをサブストレートに取付け る。(a) placing a bonding amount of a polymer-based adhesive composition on the substrate; (b) then heating the adhesive composition to activate it; and (C) Contacting the die with the adhesive, thereby attaching the die to the substrate. Ru.
この方法はダイをリードフレームに取り付けるのに以下の様にする事により十分 に役立つものである、即ち、(1)ボンディング量のポリマ基接着剤組成物をリ ードフレームの所定の領域に置き、 (2)ポリマ基接着剤組成物の温度を前記接着物が活性化されるレベルにまで上 昇させ、 (3)少なくとも一つのボンドパッドを有するダイを前記活性化接着剤に接触さ せ、 (4)次に、ワイアポンディングとパッケージングとを行って組み立てを完了す る。This method is sufficient to attach the die to the lead frame as follows: (1) Reconciling the bonding amount of the polymer-based adhesive composition. in the designated area of the card frame. (2) increasing the temperature of the polymer-based adhesive composition to a level at which said adhesive is activated; let it rise, (3) contacting the die with at least one bond pad to the activated adhesive; height, (4) Next, perform wire bonding and packaging to complete the assembly. Ru.
上述の方法を実施するための装置は、以下のものを含んでいる、即ち、 (A)リードフレームの様な、パドルの様な個々のダイ接地場所を有するサブス トレートを移動インライン組み立て工程に沿って移動させる移送装置と、(B) サブストレートが組み立て工程に沿って移動するときに前記ダイ接地場所上に接 着剤をディスペンスする装置と、 (C)必要に応じて移動サブストレートを加熱する必要に応じての予熱装置と、 (D)サブストレート上の接着剤を加熱する装置と、(E)サブストレート上の 加熱接着剤上にダイを選択、設置する装置と、更に、 (F)サブストレートが組み立てラインを流れ下る時にダイ−接着剤−サブスト レート組立物を必要に応じて後加熱する必要に応じての後加熱装置。The apparatus for carrying out the method described above includes: (A) Substrates with individual die grounding locations, such as paddles, such as lead frames. (B) a transfer device for moving the tray along the moving inline assembly process; The substrate contacts the die ground location as it moves along the assembly process. a device for dispensing adhesive; (C) an optional preheating device for heating the moving substrate as needed; (D) a device for heating the adhesive on the substrate; and (E) a device for heating the adhesive on the substrate; a device for selecting and placing a die on the hot adhesive; (F) Die-adhesive-substrate as the substrate flows down the assembly line. Optional post-heating device for post-heating the rate assembly as required.
構成するサブストレート材料は限定的なものではない。The constituent substrate material is not limited.
その目的のサブストレートは金属リードフレームでも、セラミック乃至セラミッ クパッケージでも、セラミックハイブリッド等の材料でも良い。The substrate for this purpose may be a metal lead frame or a ceramic or ceramic lead frame. It may be a package or a material such as a ceramic hybrid.
接着剤加熱用の加熱装置は、例えば、加熱したプラテン(platen)、加熱 した空気または窒素の流れ、レーザービーム、赤外線電球、などの様な当業者に 公知の任意適当な加熱装置で良い。同様に、後加熱装置は特別な装置に限定され るものではなく、やはり、加熱プラテン、赤外線加熱装置、加熱空気ないし窒素 、マイクロ波又はインダクションヒータ、など、でよい。Heating devices for heating the adhesive include, for example, a heated platen, a heated For those skilled in the art, such as air or nitrogen flows, laser beams, infrared light bulbs, etc. Any known suitable heating device may be used. Similarly, post-heating equipment is limited to special equipment. It is not a heating platen, an infrared heating device, heated air or nitrogen. , microwave or induction heater, etc.
本発明の説明 第1図は、接着剤ペーストを使用する本発明の1方法の工程を略示する斜視図で ある。Description of the invention FIG. 1 is a perspective view schematically illustrating the steps of one method of the invention using adhesive paste; be.
第2図も又、接着剤リボンを使用する本発明の別の実施例の斜視図である。FIG. 2 is also a perspective view of another embodiment of the invention using an adhesive ribbon.
通常の組立工程処理の実施のために有用なインライン設備は市販されており、当 業者の周知のところである。Useful in-line equipment for performing normal assembly process processes is commercially available; This is well known to business operators.
この種の設備は本発明の実施の為に変形可能である。This type of equipment can be modified to implement the invention.
本発明の実施に当たっては、接着剤はポリマ基組成物であり、即ち、熱可塑性樹 脂でも、硬化可能な熱硬化樹脂でも良い。接着剤はペースト、フィルム、テープ 、フォイル乃至リボンのどの形式でも良い。In the practice of this invention, the adhesive is a polymer-based composition, i.e., a thermoplastic resin. It may be a resin or a curable thermosetting resin. Adhesives include paste, film, and tape , foil or ribbon.
ここで使用される好ましい接着剤樹脂組成物は、加熱中に化学反応を生じる熱硬 化性製品に比較してチップ乃至ダイに残留歪が少ない事からして、熱可塑性ペー スト乃至リボン樹脂組成物である。Preferred adhesive resin compositions used herein are thermosets that undergo a chemical reaction during heating. Thermoplastic paper has less residual strain on the chip or die compared to thermoplastic products. It is a strip or ribbon resin composition.
ペーストは液体懸濁媒体乃至溶媒内に分散された固体粒子の高粘度な非固体混合 物である。A paste is a highly viscous, non-solid mixture of solid particles dispersed in a liquid suspending medium or solvent. It is a thing.
フィルム、テープ、フォイル及びリボンはペーストとは、レオロジカルには、こ れらが粘性的ではないと言う事で区別される。テープ、フォイル、及びリボンは 支持されでもされなくてもよく、ディスペンサがら巻き戻されたときに塊になる のを防止する為に離型剤を使用することができる。Films, tapes, foils and ribbons are rheologically defined as pastes. They are distinguished by the fact that they are not viscous. Tapes, foils, and ribbons May be supported or unsupported, clumping when unwound from dispenser A mold release agent can be used to prevent this.
本発明の実施のために有−用な熱可塑性樹脂組成物は室温安定性があり、フレキ シブルで、熱活性化可能で、耐熱性のものでなければならない。低温でそのレオ ロジカルな性質を失ってはならず、時と共に脆化してはならない・好ましくは樹 脂に付着して又はこれと化合して溶媒の跡を残すことなしに容易に除去可能な有 機溶媒に溶解可能であるべきである。これらは又、耐水性で、金属及びダイに優 秀な接着性を示し、高伝導性のフィシの混入が可能で、更に低体積変化率を有す るべきである。Thermoplastic resin compositions useful in the practice of this invention are room temperature stable and flexible. It must be flexible, heat activatable and heat resistant. Its leo at low temperature Must not lose its logical properties or become brittle over time - preferably wood-based Compounds that adhere to or combine with fats and can be easily removed without leaving traces of solvent. It should be soluble in the organic solvent. They are also water resistant and superior to metal and die. It exhibits excellent adhesion, can be mixed with highly conductive fissures, and has a low volume change rate. Should.
好ましい熱可塑性樹脂には、米国特許第3,177゜090号及び第3,395 ,118号に記載のポリヒドロキシエーテル(フェノキシ樹脂)、米国特許第3 ,410.875号及び第3.615.913号に記載のポリイミド、米国特許 第3933.764号記載のポリアリレンポリエーテルポリスルフォン樹脂、乃 至、構造材的ないし高パーフォーマンス接着樹脂とされるポリフェニレンオキサ イドその他の低歪力、高温熱可塑性ポリアリル(polyarylate)樹脂 、が含まれる。Preferred thermoplastic resins include U.S. Pat. , 118, U.S. Patent No. 3 , 410.875 and 3.615.913, U.S. Pat. Polyarylene polyether polysulfone resin described in No. 3933.764, Polyphenylene oxa, which is used as a structural material or high-performance adhesive resin. Other low strain, high temperature thermoplastic polyarylate resins , is included.
その中でポリメライズされたアルファ、ベーターエチレン的に不飽和な炭化水素 基を含み、半導体パッケージの中に普通含有される金属に対して腐食を及ぼさな い熱可塑性樹脂は、その第2次遷移温度が十分に高くてサブストレートに十分に 接着された後にダイに移動を起こさせないならば、これも使用可能である。alpha, beta ethylenically unsaturated hydrocarbons polymerized therein It does not corrode metals commonly contained in semiconductor packages, including A thermoplastic resin whose secondary transition temperature is sufficiently high that it is suitable for substrates This can also be used if the die does not move after being bonded.
半導体パッケージにおいては、腐食は最も悪い要因なので、多くの普通に使用さ れる熱可塑性樹脂は使用できない。例えば、ハロゲン化ビニル、例えばポリ塩化 ビニル、ポリ塩化ビリニデン、塩化とニル−アルファーオレフィン・コポリマ、 アクリル又はメタアクリル酸コポリマ、クロロブレン、アクリロニトリル・ポリ マ等は不満足なものである。Corrosion is the worst factor in semiconductor packaging, so many commonly used Thermoplastic resins cannot be used. For example, vinyl halides, e.g. polychloride vinyl, polyvinidene chloride, chloride and nyl-alpha olefin copolymers, Acrylic or methacrylic copolymers, chlorobrene, acrylonitrile poly Ma etc. are unsatisfactory.
本発明の接着剤組成物として使用される熱可塑性樹脂の好ましい例は、米国特許 第3,440,527号、第3.575,923号、第3.875.116号、 及び第4,395.527号の記載によって製造されたシロキサン−モディファ イド−ポリイミドであるが、これらの明細書の教示はこの中に参考文献として採 用されている。Preferred examples of thermoplastic resins used as adhesive compositions of the present invention include U.S. Pat. No. 3,440,527, No. 3.575,923, No. 3.875.116, and siloxane modifiers prepared as described in No. 4,395.527. The teachings of these specifications are incorporated herein by reference. It is used.
接着剤ペースト組成物は以下のものを有する、(a)約5重量%乃至約75重量 %、好ましくは5重量%乃至85重量%の熱可塑性樹脂、 (b)約25重量%乃至約95重量%好ましくは5重量%乃至75重量%の熱的 又は電気的伝導性フィシ、(c)約0重量%乃至約50重量%好ましくは20重 量%乃至50重量%の有機溶媒。The adhesive paste composition has: (a) from about 5% to about 75% by weight; %, preferably from 5% to 85% by weight of thermoplastic resin, (b) about 25% to about 95% by weight, preferably 5% to 75% thermal or electrically conductive fiber, (c) from about 0% to about 50% by weight, preferably 20% by weight. % to 50% by weight of organic solvent.
粘度、レオロジー、タック(tack)、その他の液体を含むペースト又は液体 を含まない接着剤の物理的特性を調節するためのその他の添加物を所望に応じて この組成物に含めてもよい。Pastes or liquids containing viscosity, rheology, tack, and other liquids Contains no other additives as desired to adjust the physical properties of the adhesive may be included in this composition.
電気導電性フィシはこの分野において使用されるどの金属、例えば、銀、金、白 金、パラジウム、イリジウム、水銀、ルテニウム、及びオスミウム、であってよ い。これらの金属の混合物乃至合金も又使用可能である。しかし、推奨される金 属は銀で、単独ででも白金又はパラジウムと合金にされていてもよい。電気伝導 性フィシは又、価格低減乃至接着性を変化させるために、ガラス又はセラミック サブストレートに被覆されても良い。Electrically conductive fibers can be made of any metal used in this field, such as silver, gold, white May be gold, palladium, iridium, mercury, ruthenium, and osmium. stomach. Mixtures or alloys of these metals can also be used. However, the recommended gold The genus is silver, which may be alone or alloyed with platinum or palladium. electrical conduction Fibers can also be made of glass or ceramic to reduce cost or change adhesion. The substrate may also be coated.
熱伝導性フィシはベリリア、アルミナ、シリカ、アンチモン、マグネシウム又は 亜鉛の酸化物などで良い。Thermal conductive fibers are beryllia, alumina, silica, antimony, magnesium or Zinc oxide etc. are good.
ポリマ基接着剤として熱硬化性樹脂を所望する場合は、エポキシ樹脂、ポリアミ ン酸、マレイミド等を使用する事ができる。If a thermosetting resin is desired as a polymer-based adhesive, epoxy resin, polyamide phosphoric acid, maleimide, etc. can be used.
これらの接着剤組成物に使用される有機溶媒は、樹脂を溶解し、樹脂に付着する ことなしに容易に除去可能なように十分な揮発性がなければならない。好ましい 溶媒のうちには、エチレングリコール及び濃縮ポリエチレングリコールのモノア ルキル及び/又はジアルキルエーテル、及び/又は5メンバー環より少なくない ものを含む環状エーテル、例えばトリエチレングリコールジメチルエーテル(ト リグリーム)、ジエチレングリコールジメチルエーテル(ジグリーム)及びエチ レングリコールジメチルエーテル(モノグリーム):及びN−メチル−2−ピロ リドン、ガンマーブトリオラクトン、2− (2−エトキシ)エチルアセテート (酢酸カルピトール)、2−ブトキシルアセテート(ブチルセロソルブ)、など 、を含む。好ましい溶媒は、特に樹脂がシロキサン変性ポリイミドの場合、ジグ リームである。溶媒を蒸発させた後、接着剤自体は、重量比5−50%、好まし くは8乃至30%の樹脂と、重量比40−95%、好ましくは65−95%の金 属とからなる。The organic solvents used in these adhesive compositions dissolve and adhere to the resin. It must be sufficiently volatile so that it can be easily removed without damage. preferable Among the solvents, monoamines of ethylene glycol and concentrated polyethylene glycol are included. alkyl and/or dialkyl ethers, and/or not less than a 5-member ring cyclic ethers, such as triethylene glycol dimethyl ether (triethylene glycol dimethyl ether) (digreme), diethylene glycol dimethyl ether (digleme) and ethyl Ren glycol dimethyl ether (monoglyme): and N-methyl-2-pyro Lydone, gamma butriolactone, 2-(2-ethoxy)ethyl acetate (carpitol acetate), 2-butoxylacetate (butyl cellosolve), etc. ,including. Preferred solvents are suitable for jigging, especially when the resin is a siloxane-modified polyimide. It's ream. After evaporating the solvent, the adhesive itself has a weight ratio of 5-50%, preferably preferably 8-30% resin and 40-95% gold by weight, preferably 65-95% gold. It consists of the genus.
所望ならば、レオロジカル制御剤、不活性フィシ、着色剤、及びコロイド状シリ カ等を接着剤組成物に加えることもできる。Rheological control agents, inert fibres, colorants, and colloidal silica, if desired. Mosquitoes and the like can also be added to the adhesive composition.
接着剤組成物を形成するのに有用な熱可塑性樹脂は、その2次ガラス遷移温度で 特徴付けられる。この種の組成物は最低値100℃、最高値285℃の値、好ま しくハ150−250℃、を有するべきである。Thermoplastic resins useful in forming adhesive compositions have a temperature at their secondary glass transition temperature of characterized. This type of composition has a minimum value of 100°C and a maximum value of 285°C, which is preferred. The temperature should preferably be 150-250°C.
シロキサン変性ポリイミド樹脂の分子量(平均値)は約50,000乃至約20 0,000の間である−これらの熱可塑性樹脂は、高い弾性と可とう性を有し、 ダイの歪力による破壊の危険なしに本発明の実施に当たってダイのリードフレー ムへの接着を可能とする。歪力はチップに歪みをもたらす体積収縮の原因である 交さ結合(cross I inking)によるものと考えられる。クリープ 機構が熱可塑性樹脂をして歪力を緩め、消耗することを可能としている。これは 従来から使用されている樹脂、例えばエポキシ樹脂、とスーマレイミド樹脂、ポ リアミン樹脂、などに対して重要な改良を成すものであるが、これらの従来使用 樹脂は、硬化によって生じる収縮が歪力の発生に寄与しているものである。The molecular weight (average value) of the siloxane-modified polyimide resin is about 50,000 to about 20 0,000 - these thermoplastics have high elasticity and flexibility, The die leadflare can be easily removed in the practice of the invention without risk of failure due to die strain forces. This allows for adhesion to other materials. Strain force is the cause of volumetric contraction that causes distortion in the chip This is thought to be due to cross I inking. creep The mechanism uses thermoplastic resin to relieve strain and allow wear and tear. this is Traditionally used resins, such as epoxy resins, sumaleimide resins, and polymers, This is an important improvement over the conventionally used In resin, shrinkage caused by curing contributes to the generation of strain force.
リードフレームの所定の領域への接着剤組成物の塗布は、スクリーン印刷、アー ムがポット又は容器から接着剤を取り出して次に接着剤をリードフレームにスタ ンプするために移動するスポイト又はスタンプ機構(オフセット印刷に類似)を 使用して行われる。例えば、無駄な、或いは余分な接着剤、と言う様な機械的な 問題はプログラム化した自動ディスペンシング技術によって解決される。Application of the adhesive composition to predetermined areas of the lead frame can be done by screen printing, art The system removes the adhesive from the pot or container and then stamps the adhesive onto the lead frame. a dropper or stamp mechanism that moves to print (similar to offset printing) done using. For example, mechanical damage such as wasted or excess adhesive. The problem is solved by programmed automatic dispensing technology.
従来方法に対して本発明の第1実施例の有する予期しなかった長所は、冷たい接 着剤を冷たいリードフレームにディスペンスする事によって達成された時間の節 約である。加熱装置は接着剤ペーストを0.5−2.5秒で温度を上げ、溶媒を 駆逐してその上にダイを設置して接着する粘性のある熱可塑性接着剤スポットを 残す。短い予熱が溶媒の除去を良好ならしめる。接着ダイを有するリードフレー ムはこれで、ワイア溶接、外囲取付、及び半導体パッケージへの分離、と言った 仕上げ工程への準備が完了している。An unexpected advantage of the first embodiment of the present invention over conventional methods is that cold contact Time savings achieved by dispensing adhesive onto a cold lead frame It is about. The heating device raises the temperature of the adhesive paste in 0.5-2.5 seconds and removes the solvent. A spot of viscous thermoplastic adhesive is removed and a die is placed on top of it to bond it. leave. A short preheating allows for better solvent removal. lead frame with adhesive die The process now includes wire welding, enclosure mounting, and separation into semiconductor packages. Preparation for finishing process is complete.
「活性化」という言葉は、本発明において、接着剤組成物中の樹脂がダイをリー ドフレームに接着的にボンドするように作用する状態にあることを意味する。即 ち、熱可塑性樹脂を含有しまたはこれを基礎とする接着剤樹脂ペースト組成物の 場合、これは、十分に有機溶媒が除去されて高温熱可塑性樹脂が十分な粘性を持 ちダイをリードフレームにボンドするのに十分な接着性を見せる温度である。活 性化後、これらのペーストは事実上固体である。溶媒がジグリームのとき、有効 な活性化温度は約200℃である。The term "activation" refers to the term "activation" used in the present invention when the resin in the adhesive composition leads the die. means in a state in which it acts to adhesively bond to the frame. Immediately In other words, adhesive resin paste compositions containing or based on thermoplastic resins. If the organic solvent has been removed sufficiently, the high temperature thermoplastic has sufficient viscosity. This is the temperature at which the die exhibits sufficient adhesion to bond to the lead frame. life After sexualization, these pastes are virtually solid. Effective when the solvent is diglyme A typical activation temperature is about 200°C.
熱硬化性樹脂の場合、これらは本発明においてはこれらが、溶媒又は気化した液 体の放出例えばポリアミン酸の硬化中に発生する水の、ありまたはなしでダイボ ンディングの為の接着剤として機能する状態に硬化又はクロスリンクされた時活 性化されている。活性化温度は約175℃から約350℃の間である。In the case of thermosetting resins, these are used in the present invention as solvents or vaporized liquids. Daibo with or without body release e.g. water generated during curing of polyamic acid When cured or cross-linked to a state that acts as an adhesive for bonding It's sexualized. The activation temperature is between about 175°C and about 350°C.
上述の定義は、熱可塑性樹脂であろうが熱硬化性樹脂であろうがリボン接着剤で あっても同様に適用可能である。The above definition applies to ribbon adhesives, whether thermoplastic or thermosetting. It is equally applicable even if there is.
本発明は、組み立てラインが最高速で流れる「ジェリービーンズJIC技術にも 、ハイブリッド乃至チップオンボード組み立てにも適応可能である。The present invention also applies to ``Jelly Beans JIC technology'' where the assembly line runs at maximum speed. It is also applicable to hybrid or chip-on-board assembly.
本発明は更に、以下の例示において説明する。全ての部分及び百分率は他に断り が無い限り重量で示す。The invention is further illustrated in the following examples. All parts and percentages are not otherwise stated. Unless otherwise specified, weight is shown.
例、16 第1図を参照すると、リードフレーム2は、ベルト供給システム3の一部として 接着剤組成物ディスペンス装置4の近くを通過するがこの装置4は、リードフレ ーム2のパドル8上に室温でポリマ基接着剤ペースト組成物6の少量の予め測定 された量をディスペンスするスクリーン印刷でも、スポイト乃至印刷スタンバで も良い。ディスペンスされたペースト組成物6を有するリードフレームは、所望 による予熱装置10を通過し、次に加熱プラテン上を通過するが、ここでペース ト組成物6の温度は接着剤を活性化するのに十分な高い温度に急激に上昇される 。溶媒がジグリームの場合、この温度は約50℃乃至約200℃で良い。この点 においてダイディスペンス装置14からのトランスファアームがダイ16を加熱 ペースト組成物6の上に供給し、リードフレームバドル8に接着する。リードフ レーム2の上のバドル8にボンドされたダイ複合物16は、所望による加熱装置 18を通過するか、或いは、直接に所望加熱装置18なしに、適当なコレクタ、 例えばマガジン20に集められて、ワイアボンド工程に向かう。Example, 16 Referring to FIG. 1, the lead frame 2 is installed as part of a belt feeding system 3. It passes close to an adhesive composition dispensing device 4 which is connected to a lead frame. Pre-measure a small amount of polymer-based adhesive paste composition 6 at room temperature onto paddle 8 of room 2 Even in screen printing, which dispenses the amount of Also good. The leadframe with the dispensed paste composition 6 has the desired passes through a preheating device 10, then over a heating platen, where the pace The temperature of composition 6 is rapidly raised to a temperature high enough to activate the adhesive. . If the solvent is diglyme, this temperature may be from about 50°C to about 200°C. This point The transfer arm from die dispensing device 14 heats die 16 at Apply on top of the paste composition 6 and adhere to the lead frame paddle 8. Leadoff Die composite 16 bonded to paddle 8 on frame 2 is provided with an optional heating device. 18 or directly without the desired heating device 18, a suitable collector, For example, they are collected in a magazine 20 and sent to the wire bonding process.
充填熱可塑性ポリイミド組成物(米国特許第4,395.527号に記載のもの 、この特許明細書は参考文献としてここに引用されている)を使用して本方法に よって得られたダイボンドの剪断強度を下表に示すが、これはMI L−STD −883Cに要求される値を越えるものである。Filled thermoplastic polyimide compositions (as described in U.S. Pat. No. 4,395.527) , this patent specification is hereby incorporated by reference). The shear strength of the die bond thus obtained is shown in the table below, which is MI L-STD. This exceeds the value required for -883C.
試験項目 値 初期グイ剪断強度、kg 8.O i、ooo時間後のダイ剪断強度、150℃で 5.0加圧ポツト(121℃、 15 psg) 250時間後のグイ剪断強度 7.5 1.000時間後のグイ剪断強度(85℃、相対湿度85)6.0 この方法で得られたダイボンドの熱特性を次表に示す。Test item value Initial shear strength, kg 8. O i, die shear strength after ooo hours, 5.0 pressure pot at 150°C (121°C, 15 psg) Gui shear strength after 250 hours 7.5 Gui shear strength after 1.000 hours (85°C, relative humidity 85) 6.0 The thermal properties of the die bond obtained by this method are shown in the following table.
試験項目 値 400℃の空気中での熱重量分析、%重量損失3.8 空気中250℃16時間後の損失 2.5IC上での残留歪、メートル 〉15 ASTM熱伝導率、BTU/hr−rt2(” F / f t )0.47 最大ワイアボンド温度、℃ 225 得られたダイボンドの電気的特性は下表の通り。Test item value Thermogravimetric analysis in air at 400°C, % weight loss 3.8 Loss after 16 hours at 250°C in air 2.5 Residual strain on IC, meters 15 ASTM thermal conductivity, BTU/hr-rt2 ("F/ft) 0.47 Maximum wire bond temperature, °C 225 The electrical properties of the obtained die bond are shown in the table below.
試験項目 値 容積抵抗、オーム−cm ベークしたまま、9.0X10−5 150℃1000時間後 8.3X10’−5250時間後、圧力ポット(12 1”c 14psg)9.0X10−5 85℃85%相対湿度で1000時間後 9.0X10”−5例62゜ 第2図を参照する々、リードフレーム22は、所望による加熱装置26を通りで 加熱プラテン28に接触する位置にベルト供給システムの一部として搬送される が、を活性化するのに十分なほど急激に上昇されている。熱可塑性樹脂を基礎と する接着剤に対しては、この温度は約250℃乃至約350℃である。リボン接 着剤ディスペンス装置32は、ギロチンとアプリケータ34を有するが、接着剤 のタブ35を切断して加熱されたパドル30の上に置く。その直後に、ダイディ スペンス装置36のトランスファアームがダイ37を加熱され、パドル30に接 着されている活性化接着剤のタブの上に置く。Test item value Volume resistance, ohm-cm, as baked, 9.0X10-5 After 1000 hours at 150℃ 8.3X10'-5250 hours, pressure pot (12 1”c 14psg) 9.0X10-5 After 1000 hours at 85°C and 85% relative humidity 9.0X10” - 5 cases 62° Referring to FIG. 2, the lead frame 22 can be passed through an optional heating device 26. conveyed as part of a belt feeding system into position in contact with heated platen 28 has been raised rapidly enough to activate the. Based on thermoplastic resin For adhesives such as 250°C to 350°C. Ribbon connection The adhesive dispensing device 32 has a guillotine and an applicator 34, but the adhesive Cut the tab 35 and place it on the heated paddle 30. Immediately after that, Daidi The transfer arm of the Spence device 36 heats the die 37 and contacts the paddle 30. Place it on top of the activated adhesive tab that has been applied.
リードフレーム22の上のパドル30にボンドされているダイ複合体37、ベル ト供給システム24の上で所望の加熱装置38を通過するか、或いは加熱装置3 8をバイパスして、ワイアボンディング工程のための準備へのコレクタ又はマガ ジン40へ行く。Die complex 37 bonded to paddle 30 on lead frame 22, bell the desired heating device 38 over the supply system 24 or heating device 3 8 and bypass the collector or magazine to prepare for the wire bonding process. Go to Jin 40.
本発明はここでは、好ましくは連続した要領で実施されたが、所望ならば間欠的 に実施しても良い。The invention is herein preferably practiced in a continuous manner, but intermittently if desired. It may also be carried out.
本発明は相当な特種性の下で好ましい形態として説明したが、本開示は例示とし てのみのものであり、各種の変更が本発明の精神と範囲を離れること無く成し得 ることは言うまでもないところである。Although the invention has been described in preferred form with considerable specificity, this disclosure is intended to be illustrative only. It is understood that various changes may be made without departing from the spirit and scope of the invention. It goes without saying that this is true.
特許請求の範囲(補正後) 1.(a)サブストレート上にボンディング相当量のポリマ基接着剤組成物を被 着し、 (b)接着剤を活性化するために、0.5〜265秒間接着秒間底物を加熱し、 (c)ダイを活性化接着剤に接触して、ダイをサブストレートに取り付ける、 工程から成るダイをサブストレートに取り付け−る方法。Claims (after amendment) 1. (a) coat a substrate with a bonding equivalent amount of a polymer-based adhesive composition; Arrived, (b) heating the bottom object for 0.5-265 seconds to activate the adhesive; (c) contacting the die with an activated adhesive to attach the die to the substrate; A method of attaching a die to a substrate.
2、接着剤組成物がペーストである特許請求の範囲第1項記載の方法。2. The method according to claim 1, wherein the adhesive composition is a paste.
3、接着剤組成物は約175℃乃至約350℃に加熱される特許請求の範囲第2 項記載の方法。3. The adhesive composition is heated to about 175°C to about 350°C. The method described in section.
4、接着剤組成物は約50℃乃至約200℃の温度に加熱される特許請求の範囲 第2項記載の方法。4. Claims in which the adhesive composition is heated to a temperature of about 50°C to about 200°C The method described in Section 2.
5、工程(b)は0.5乃至2.5秒行われる特許請求の範囲第1項記載の方法 。5. The method according to claim 1, wherein step (b) is carried out for 0.5 to 2.5 seconds. .
6、サブストレートが金属リードフレームである特許請求の範囲第1項記載の方 法。6. The person according to claim 1, wherein the substrate is a metal lead frame. Law.
7、サブストレートがセラミックから成る特許請求の範囲第1項記載の方法。7. The method of claim 1, wherein the substrate is made of ceramic.
ブストレートである特許請求の範囲第7項記載のる特許請求の範囲第7項記載の 方法。Claim 7 which is a straight rate Method.
10、サブストレートが回路基板である特許請求の範囲第1項記載の方法。10. The method according to claim 1, wherein the substrate is a circuit board.
11、組成物は、 5−75%の樹脂と、 25−95%のフィシと、 0−50%の溶媒 とから成る特許請求の範囲第2項記載の方法。11. The composition is 5-75% resin, 25-95% fisi, 0-50% solvent A method according to claim 2, comprising:
12、組成物は、 5−85%の熱可塑性樹脂と、 25−75%のフィシと、 20−50%の溶媒 とから成る特許請求の範囲第1項記載の方法。12. The composition is 5-85% thermoplastic resin; 25-75% fisi, 20-50% solvent A method according to claim 1, comprising:
13、フィシが電気的に導電性のフィシである特許請求の範囲第12項記載の方 法。13. The person according to claim 12, wherein the fiber is an electrically conductive fiber. Law.
14、電気的に導電性のフィシが銀、金、白金、イリジウム、水銀、ルテニウム 、オスミウム、及びそれらの混合物乃至合金で構成されるクラスから選定された 金属である特許請求の範囲第13項記載の方法。14. Electrically conductive materials include silver, gold, platinum, iridium, mercury, and ruthenium. selected from the class consisting of osmium, osmium, and mixtures or alloys thereof. 14. The method according to claim 13, wherein the material is metal.
15、フィシが熱的に伝導性のフィシである特許請求の範囲第12項記載の方法 。15. The method according to claim 12, wherein the fiber is a thermally conductive fiber. .
16、熱的に伝導性のフィシがベリリアである特許請求の範囲第15項記載の方 法。16. The person according to claim 15, wherein the thermally conductive fisi is beryllia. Law.
17、熱的に伝導性のフィシがアルミナである特許請求の範囲第1項記載の方法 。17. The method according to claim 1, wherein the thermally conductive fiber is alumina. .
18、サブストレート、接着剤、及びダイ、からなる組み立て物が更に加熱され る特許請求の範囲第1項記載の方法。18. The assembly consisting of the substrate, adhesive, and die is further heated. A method according to claim 1.
19、接着剤組成物は金属リードフレームのパドル領域内に設置され、これが更 にリードフレーム、接着剤、およびダイの組み立て物を所望により更に加熱する 装置を有し、これによってダイかリードフレームにボンドされる特許請求の範囲 第6項記載の方法。19. The adhesive composition is placed within the paddle area of the metal lead frame, which further heat the leadframe, adhesive, and die assembly as desired. Claims having an apparatus thereby bonded to a die or lead frame The method described in Section 6.
20、方法が連続的な要領で行われる特許請求の範囲第1項又は第19項記載の 方法。20. The method according to claim 1 or 19, wherein the method is carried out in a continuous manner. Method.
21、(a)サブストレートを装置に沿って動かす移送装置と、 (b)接着剤をディスペンスする前にサブストレートを加熱する所望により設置 する装置と、(C)サブストレートの選択された領域に接着剤組成物をディスペ ンスする装置と、 (d)ダイを設置する前に接着剤を加熱する装置と、 (e)加熱された接着剤の上にダイを選択、設置する装置と、更に、 (f)サブストレート、接着剤、及びダイの組み立て物を後加熱する所望により 設置する装置とを有するダイをサブストレート上にポリマ基接着剤で取り付ける 装置。21. (a) a transfer device for moving the substrate along the device; (b) Optional installation of heating the substrate before dispensing the adhesive. (C) dispensing the adhesive composition onto selected areas of the substrate; a device to monitor the (d) a device for heating the adhesive prior to placing the die; (e) a device for selecting and placing a die on the heated adhesive; (f) Optionally post-heating the substrate, adhesive, and die assembly. Attach the die with the mounting equipment onto the substrate with a polymer-based adhesive Device.
22、接着剤を加熱する加熱装置は加熱したプラテンである特許請求の範囲第2 1項記載の装置。22. Claim 2, wherein the heating device for heating the adhesive is a heated platen. The device according to item 1.
23、接着剤を加熱する加熱装置は加熱した空気の流れである特許請求の範囲第 21項記載の装置。23. Claim No. 2 in which the heating device for heating the adhesive is a flow of heated air. 22. The device according to item 21.
24、接着剤を加熱する加熱装置がレーザーを有するものである特許請求の範囲 第21項記載の装置。24. Claims in which the heating device for heating the adhesive includes a laser Apparatus according to clause 21.
25、接着剤を加熱する加熱装置が赤外線電球を有するものである特許請求の範 囲第21項記載の装置。25. Claims in which the heating device for heating the adhesive includes an infrared light bulb 22. The apparatus according to paragraph 21.
26、後加熱装置が1又はそれ以上の加熱プラテンを有する特許請求の範囲第2 1項記載の装置。26. Claim 2 in which the post-heating device has one or more heating platens The device according to item 1.
27、後加熱装置が赤外線加熱装置を有するものである特許請求の範囲第21項 記載の装置。27. Claim 21, wherein the post-heating device has an infrared heating device The device described.
28、熱可塑性樹脂の接着剤が分子量(平均値)が50.000〜200.00 0のシロキサン変性ポリイミド樹脂である特許請求の範囲第1項記載の方法。28. The thermoplastic resin adhesive has a molecular weight (average value) of 50.000 to 200.00. The method according to claim 1, wherein the siloxane-modified polyimide resin has a composition of 0.
補正書の翻訳文提出書(特許法第184条の8)平成 曜5月 9日Submission of translation of written amendment (Article 184-8 of the Patent Law) May 9, Heisei
Claims (1)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US93060086A | 1986-11-13 | 1986-11-13 | |
US930,600 | 1986-11-13 | ||
US948376 | 1986-12-31 | ||
US008810 | 1987-01-30 | ||
US087002 | 1987-08-18 |
Publications (1)
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JPH01502868A true JPH01502868A (en) | 1989-09-28 |
Family
ID=25459505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62507154A Pending JPH01502868A (en) | 1986-11-13 | 1987-11-12 | Manufacturing method of semiconductor device |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0333734A1 (en) |
JP (1) | JPH01502868A (en) |
KR (1) | KR910006966B1 (en) |
CN (1) | CN87107692A (en) |
BR (1) | BR8707876A (en) |
WO (1) | WO1988003704A1 (en) |
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JP2000144082A (en) * | 1998-11-16 | 2000-05-26 | Minnesota Mining & Mfg Co <3M> | Thermosetting adhesive composition, adhesive and preparation of adhesive |
WO2014178252A1 (en) * | 2013-04-30 | 2014-11-06 | 日東電工株式会社 | Film-like adhesive, dicing tape-integrated film-like adhesive, and method for manufacturing semiconductor device |
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EP0409257A3 (en) * | 1989-07-21 | 1991-04-03 | Kabushiki Kaisha Toshiba | Low-melting point glass sealed semiconductor device and method of manufacturing the same |
EP0409004A3 (en) * | 1989-07-21 | 1991-04-03 | Kabushiki Kaisha Toshiba | Low-melting point glass sealed semiconductor device and method of manufacturing the same |
US5237206A (en) * | 1989-07-21 | 1993-08-17 | Kabushiki Kaisha Toshiba | Low-melting point glass sealed semiconductor device and method of manufacturing the same |
US5002818A (en) * | 1989-09-05 | 1991-03-26 | Hughes Aircraft Company | Reworkable epoxy die-attach adhesive |
DE4124053A1 (en) * | 1991-07-19 | 1993-01-21 | Siemens Ag | METHOD FOR MAKING AN ADHESIVE CONNECTION BETWEEN AT LEAST ONE COMPONENT AND A METAL SUBSTRATE |
KR0171438B1 (en) * | 1993-09-29 | 1999-10-15 | 모리시따 요오이찌 | Method for mounting a semiconductor device on a circuit board, and a circuit board with a semiconductor device mounted thereon |
KR100576886B1 (en) * | 2000-08-30 | 2006-05-03 | 앰코 테크놀로지 코리아 주식회사 | Manufacturing method of semiconductor package |
JP3542080B2 (en) * | 2001-03-30 | 2004-07-14 | リンテック株式会社 | Adhesive tape / sheet for supporting semiconductor chip, semiconductor chip carrier, semiconductor chip mounting method, and semiconductor chip package |
KR100819794B1 (en) * | 2002-04-02 | 2008-04-07 | 삼성테크윈 주식회사 | Lead-frame and method for manufacturing semi-conductor package using such |
DE10240460A1 (en) | 2002-08-29 | 2004-03-11 | Infineon Technologies Ag | Universal semiconductor package with pre-crosslinked plastic investment materials and process for producing the same |
CN101765911B (en) * | 2007-06-28 | 2012-06-27 | 桑迪士克公司 | Semiconductor die having a redistribution layer |
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Also Published As
Publication number | Publication date |
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WO1988003704A1 (en) | 1988-05-19 |
BR8707876A (en) | 1990-03-01 |
KR910006966B1 (en) | 1991-09-14 |
EP0333734A1 (en) | 1989-09-27 |
KR890700267A (en) | 1989-03-10 |
CN87107692A (en) | 1988-05-25 |
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