KR20170016823A - 시안계 전해 금 도금욕 및 이것을 사용하는 범프 형성 방법 - Google Patents
시안계 전해 금 도금욕 및 이것을 사용하는 범프 형성 방법 Download PDFInfo
- Publication number
- KR20170016823A KR20170016823A KR1020167031053A KR20167031053A KR20170016823A KR 20170016823 A KR20170016823 A KR 20170016823A KR 1020167031053 A KR1020167031053 A KR 1020167031053A KR 20167031053 A KR20167031053 A KR 20167031053A KR 20170016823 A KR20170016823 A KR 20170016823A
- Authority
- KR
- South Korea
- Prior art keywords
- gold
- plating bath
- film
- gold plating
- hardness
- Prior art date
Links
- 239000010931 gold Substances 0.000 title claims abstract description 166
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 161
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000007747 plating Methods 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims description 23
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 title abstract description 17
- 230000015572 biosynthetic process Effects 0.000 title 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000013078 crystal Substances 0.000 claims abstract description 10
- 150000007522 mineralic acids Chemical class 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 7
- 239000004065 semiconductor Substances 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 16
- 150000004676 glycans Chemical class 0.000 claims description 14
- 229920001282 polysaccharide Polymers 0.000 claims description 14
- 239000005017 polysaccharide Substances 0.000 claims description 14
- 229920000858 Cyclodextrin Polymers 0.000 claims description 6
- 229920001353 Dextrin Polymers 0.000 claims description 6
- 239000004375 Dextrin Substances 0.000 claims description 6
- 235000019425 dextrin Nutrition 0.000 claims description 6
- SJDABMGVYDDHHB-UHFFFAOYSA-N [Au].[Au](C#N)(C#N)C#N Chemical compound [Au].[Au](C#N)(C#N)C#N SJDABMGVYDDHHB-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 28
- MXZVHYUSLJAVOE-UHFFFAOYSA-N gold(3+);tricyanide Chemical compound [Au+3].N#[C-].N#[C-].N#[C-] MXZVHYUSLJAVOE-UHFFFAOYSA-N 0.000 abstract description 7
- 150000003891 oxalate salts Chemical class 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 18
- 238000002161 passivation Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000011295 pitch Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical class OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- 229940039748 oxalate Drugs 0.000 description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 244000248349 Citrus limon Species 0.000 description 2
- 235000005979 Citrus limon Nutrition 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical class C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- IZLAVFWQHMDDGK-UHFFFAOYSA-N gold(1+);cyanide Chemical compound [Au+].N#[C-] IZLAVFWQHMDDGK-UHFFFAOYSA-N 0.000 description 2
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead nitrate Chemical compound [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003002 pH adjusting agent Substances 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 229910000160 potassium phosphate Inorganic materials 0.000 description 2
- 235000011009 potassium phosphates Nutrition 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- HJTAZXHBEBIQQX-UHFFFAOYSA-N 1,5-bis(chloromethyl)naphthalene Chemical compound C1=CC=C2C(CCl)=CC=CC2=C1CCl HJTAZXHBEBIQQX-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 241000416536 Euproctis pseudoconspersa Species 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical class OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 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
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- GOLCXWYRSKYTSP-UHFFFAOYSA-N arsenic trioxide Inorganic materials O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 description 1
- LJJNEPKMBSUEND-UHFFFAOYSA-O azanium;gold;cyanide Chemical compound [NH4+].[Au].N#[C-] LJJNEPKMBSUEND-UHFFFAOYSA-O 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- HOQPTLCRWVZIQZ-UHFFFAOYSA-H bis[[2-(5-hydroxy-4,7-dioxo-1,3,2$l^{2}-dioxaplumbepan-5-yl)acetyl]oxy]lead Chemical compound [Pb+2].[Pb+2].[Pb+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HOQPTLCRWVZIQZ-UHFFFAOYSA-H 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- UESISTHQAYQMRA-UHFFFAOYSA-M formyloxythallium Chemical compound [Tl+].[O-]C=O UESISTHQAYQMRA-UHFFFAOYSA-M 0.000 description 1
- -1 gold ion Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- 229960002261 magnesium phosphate Drugs 0.000 description 1
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 1
- 235000010994 magnesium phosphates Nutrition 0.000 description 1
- FYWSTUCDSVYLPV-UHFFFAOYSA-N nitrooxythallium Chemical compound [Tl+].[O-][N+]([O-])=O FYWSTUCDSVYLPV-UHFFFAOYSA-N 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000001508 potassium citrate Substances 0.000 description 1
- 229960002635 potassium citrate Drugs 0.000 description 1
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 description 1
- 235000011082 potassium citrates Nutrition 0.000 description 1
- WFIZEGIEIOHZCP-UHFFFAOYSA-M potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 description 1
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 1
- 229940039790 sodium oxalate Drugs 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- VMDSWYDTKFSTQH-UHFFFAOYSA-N sodium;gold(1+);dicyanide Chemical compound [Na+].[Au+].N#[C-].N#[C-] VMDSWYDTKFSTQH-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- YTQVHRVITVLIRD-UHFFFAOYSA-L thallium sulfate Chemical compound [Tl+].[Tl+].[O-]S([O-])(=O)=O YTQVHRVITVLIRD-UHFFFAOYSA-L 0.000 description 1
- 229940119523 thallium sulfate Drugs 0.000 description 1
- 229910000374 thallium(I) sulfate Inorganic materials 0.000 description 1
- UFVDXEXHBVQKGB-UHFFFAOYSA-L thallous malonate Chemical compound [Tl+].[Tl+].[O-]C(=O)CC([O-])=O UFVDXEXHBVQKGB-UHFFFAOYSA-L 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/48—Electroplating: Baths therefor from solutions of gold
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/12—Semiconductors
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/12—Semiconductors
- C25D7/123—Semiconductors first coated with a seed layer or a conductive layer
-
- 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
- H01L21/18—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 the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/288—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition
-
- 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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/11—Manufacturing methods
-
- 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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- 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
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/32221—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/32225—Disposition the layer connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- 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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73201—Location after the connecting process on the same surface
- H01L2224/73203—Bump and layer connectors
- H01L2224/73204—Bump and layer connectors the bump connector being embedded into the layer connector
-
- 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
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L24/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electroplating Methods And Accessories (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
Abstract
Description
도 2 는, 프린트 배선 기판에 반도체 칩을 장착한 상태의 일례를 나타내는 단면도이다.
1' : 회로층
2 : Al 전극
3 : 패시베이션막
3a : 패시베이션막의 개구부
4 : TiW 스퍼터막
5 : 금 스퍼터막
6 : UBM 층
7 : 금 범프
7a : 금 범프의 표면
8 : 레지스트막
8a : 레지스트막의 개구부
10 : 프린트 배선 기판
11 : 경질 기판
12 : 기판 배선 패턴
14 : 기판 전극
16 : 반도체 칩
18 : 봉지재
20 : 이방성 도전 접착제
Claims (4)
- 금원으로서의 시안화금염을 금 농도로 0.1 ∼ 15 g/ℓ 와,
옥살산염을 옥살산으로서 2.5 ∼ 50 g/ℓ 와,
무기산 전도염을 5 ∼ 100 g/ℓ 와,
수용성 다당류를 0.1 ∼ 50 g/ℓ 와,
결정 조정제를 금속 농도로 0.1 ∼ 100 ㎎/ℓ 를 함유하는 것을 특징으로 하는 시안계 전해 금 도금욕. - 제 1 항에 있어서,
상기 수용성 다당류가 덱스트린, α-시클로덱스트린, β-시클로덱스트린 및 덱스트린에서 선택되는 1 종 또는 2 종 이상인 시안계 전해 금 도금욕. - 제 1 항에 있어서,
상기 결정 조정제가 Tl 화합물, Pb 화합물 및 As 화합물에서 선택되는 1 종 또는 2 종 이상인 시안계 전해 금 도금욕. - 패터닝된 반도체 웨이퍼 상에, 제 1 항 내지 제 3 항 중 어느 한 항에 기재된 시안계 전해 금 도금욕을 사용하여 전해 금 도금을 실시한 후, 200 ∼ 300 ℃ 에서 5 ∼ 600 분간 열처리함으로써, 피막 경도가 70 ∼ 120 HV 인 금 범프를 형성하는 범프 형성 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014120323A JP6393526B2 (ja) | 2014-06-11 | 2014-06-11 | シアン系電解金めっき浴及びこれを用いるバンプ形成方法 |
JPJP-P-2014-120323 | 2014-06-11 | ||
PCT/JP2015/063991 WO2015190218A1 (ja) | 2014-06-11 | 2015-05-15 | シアン系電解金めっき浴及びこれを用いるバンプ形成方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020197014454A Division KR20190057163A (ko) | 2014-06-11 | 2015-05-15 | 시안계 전해 금 도금욕 및 이것을 사용하는 범프 형성 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20170016823A true KR20170016823A (ko) | 2017-02-14 |
Family
ID=54833323
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020197014454A KR20190057163A (ko) | 2014-06-11 | 2015-05-15 | 시안계 전해 금 도금욕 및 이것을 사용하는 범프 형성 방법 |
KR1020167031053A KR20170016823A (ko) | 2014-06-11 | 2015-05-15 | 시안계 전해 금 도금욕 및 이것을 사용하는 범프 형성 방법 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020197014454A KR20190057163A (ko) | 2014-06-11 | 2015-05-15 | 시안계 전해 금 도금욕 및 이것을 사용하는 범프 형성 방법 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6393526B2 (ko) |
KR (2) | KR20190057163A (ko) |
CN (1) | CN106460213B (ko) |
TW (1) | TWI617707B (ko) |
WO (1) | WO2015190218A1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105543910B (zh) * | 2015-12-25 | 2018-01-30 | 西南石油大学 | 一种镍‑钨合金复合镀层及其制备方法 |
WO2022140770A1 (en) * | 2020-12-21 | 2022-06-30 | Northwestern University | SUPRAMOLECULAR GOLD STRIPPING FROM ACTIVATED CARBON USING α-CYCLODEXTRIN |
CN113913879B (zh) * | 2021-09-30 | 2022-08-09 | 深圳市联合蓝海黄金材料科技股份有限公司 | 无氰电镀金镀液及其应用和电镀制金凸块的方法以及金凸块和电子部件 |
CN116240597B (zh) * | 2022-12-29 | 2024-03-26 | 华为技术有限公司 | 电镀金镀液及其应用 |
CN115928161B (zh) * | 2022-12-29 | 2024-08-27 | 华为技术有限公司 | 电镀金镀液及其应用、金凸块及其制备方法、电子部件和电子设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000282255A (ja) * | 1999-03-31 | 2000-10-10 | Nippon Hyomen Kagaku Kk | 金属表面処理方法 |
JP2004360006A (ja) * | 2003-06-04 | 2004-12-24 | Mitsubishi Chemicals Corp | 金メッキ液および金メッキ方法 |
KR20070037315A (ko) * | 2005-09-30 | 2007-04-04 | 엔.이. 켐캣 가부시키가이샤 | 금 범프 또는 금 배선의 형성 방법 |
KR20070083922A (ko) * | 2004-11-02 | 2007-08-24 | 미쓰비시 가가꾸 가부시키가이샤 | 금도금액 및 금도금 방법 |
JP2009057631A (ja) | 2007-08-07 | 2009-03-19 | Ne Chemcat Corp | バンプ形成用非シアン系電解金めっき浴及びバンプ形成方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3562120A (en) * | 1966-09-07 | 1971-02-09 | Sel Rex Corp | Plating of smooth,semibright gold deposits |
JPS5684495A (en) * | 1979-12-12 | 1981-07-09 | Electroplating Eng Of Japan Co | Pure gold plating liquid |
JPH0959792A (ja) * | 1995-08-22 | 1997-03-04 | Shinko Electric Ind Co Ltd | 亜硫酸金めっき液 |
CN1394987A (zh) * | 2002-08-20 | 2003-02-05 | 中国科学院电子学研究所 | 不被镍置换的镀金溶液 |
JP2007321213A (ja) * | 2006-06-02 | 2007-12-13 | Shinko Electric Ind Co Ltd | 電解金めっき液及びその管理方法 |
JP4925792B2 (ja) * | 2006-11-07 | 2012-05-09 | メタローテクノロジーズジャパン株式会社 | バンプ形成用非シアン系電解金めっき浴 |
CN102753732A (zh) * | 2010-03-26 | 2012-10-24 | 美泰乐科技(日本)股份有限公司 | 氰系电解镀金浴及使用其的镀敷方法 |
CN103290440B (zh) * | 2012-02-22 | 2016-12-14 | 美泰乐科技(日本)股份有限公司 | 金凸点形成用非氰系电解镀金浴及金凸点形成方法 |
-
2014
- 2014-06-11 JP JP2014120323A patent/JP6393526B2/ja active Active
-
2015
- 2015-05-15 CN CN201580022227.9A patent/CN106460213B/zh active Active
- 2015-05-15 KR KR1020197014454A patent/KR20190057163A/ko not_active Application Discontinuation
- 2015-05-15 WO PCT/JP2015/063991 patent/WO2015190218A1/ja active Application Filing
- 2015-05-15 KR KR1020167031053A patent/KR20170016823A/ko active Application Filing
- 2015-06-08 TW TW104118481A patent/TWI617707B/zh active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000282255A (ja) * | 1999-03-31 | 2000-10-10 | Nippon Hyomen Kagaku Kk | 金属表面処理方法 |
JP2004360006A (ja) * | 2003-06-04 | 2004-12-24 | Mitsubishi Chemicals Corp | 金メッキ液および金メッキ方法 |
KR20070083922A (ko) * | 2004-11-02 | 2007-08-24 | 미쓰비시 가가꾸 가부시키가이샤 | 금도금액 및 금도금 방법 |
KR20070037315A (ko) * | 2005-09-30 | 2007-04-04 | 엔.이. 켐캣 가부시키가이샤 | 금 범프 또는 금 배선의 형성 방법 |
JP2009057631A (ja) | 2007-08-07 | 2009-03-19 | Ne Chemcat Corp | バンプ形成用非シアン系電解金めっき浴及びバンプ形成方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20190057163A (ko) | 2019-05-27 |
CN106460213B (zh) | 2019-01-29 |
TW201610240A (zh) | 2016-03-16 |
WO2015190218A1 (ja) | 2015-12-17 |
CN106460213A (zh) | 2017-02-22 |
JP6393526B2 (ja) | 2018-09-19 |
TWI617707B (zh) | 2018-03-11 |
JP2016000839A (ja) | 2016-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101688262B1 (ko) | 기판 상에 솔더 합금 성막을 형성하는 방법 | |
KR101223861B1 (ko) | 금 범프 또는 금 배선의 형성 방법 | |
TWI477660B (zh) | 凸塊成形用非氰系電解鍍金浴 | |
KR20170016823A (ko) | 시안계 전해 금 도금욕 및 이것을 사용하는 범프 형성 방법 | |
KR101319745B1 (ko) | 범프 형성용 비시안계 전해 금 도금욕 | |
KR20090026075A (ko) | 범프 형성용 비시안계 전해 금도금 욕 및 범프의 형성방법 | |
DE102006036798B4 (de) | Elektronisches Bauteil und Verfahren zum Herstellen | |
TW201209946A (en) | Method to form solder deposits on substrates | |
JP2008115449A (ja) | 金バンプ又は金配線形成用非シアン系電解金めっき浴 | |
KR20090054817A (ko) | 인쇄회로기판 | |
CN103290440B (zh) | 金凸点形成用非氰系电解镀金浴及金凸点形成方法 | |
JP2009071093A (ja) | バンプ及びバンプ形成方法 | |
CN110115116B (zh) | 在接触垫上形成可焊接焊料沉积物的方法 | |
US10914018B2 (en) | Porous Cu on Cu surface for semiconductor packages | |
JP2008115450A (ja) | バンプ形成用非シアン系電解金めっき浴 | |
KR20020067002A (ko) | 프린트 배선 기재 및 전해 주석계 합금 도금 방법 | |
JP2012117113A (ja) | 金バンプ形成用非シアン系電解金めっき浴、及び金バンプ形成方法 | |
JP2013008829A (ja) | Sn−Ag系合金はんだバンプの形成方法 | |
TWI513864B (zh) | Preparation method of non - cyanide electrolytic gold plating bath and gold bump for forming gold bump | |
WO2024219418A1 (ja) | Cuピラー接合体、および、Cuピラー接合体の製造方法 | |
KR20130095481A (ko) | 금 범프 형성용 비시안계 전해 금 도금욕, 및 금 범프 형성 방법 | |
JPH06318598A (ja) | 半導体装置の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0105 | International application |
Patent event date: 20161107 Patent event code: PA01051R01D Comment text: International Patent Application |
|
PG1501 | Laying open of application | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20170512 Comment text: Request for Examination of Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20180404 Patent event code: PE09021S01D |
|
AMND | Amendment | ||
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20181019 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20180404 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
AMND | Amendment | ||
PX0901 | Re-examination |
Patent event code: PX09011S01I Patent event date: 20181019 Comment text: Decision to Refuse Application Patent event code: PX09012R01I Patent event date: 20180604 Comment text: Amendment to Specification, etc. |
|
PX0601 | Decision of rejection after re-examination |
Comment text: Decision to Refuse Application Patent event code: PX06014S01D Patent event date: 20190215 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20190118 Comment text: Decision to Refuse Application Patent event code: PX06011S01I Patent event date: 20181019 Comment text: Amendment to Specification, etc. Patent event code: PX06012R01I Patent event date: 20180604 Comment text: Notification of reason for refusal Patent event code: PX06013S01I Patent event date: 20180404 |
|
A107 | Divisional application of patent | ||
PA0104 | Divisional application for international application |
Comment text: Divisional Application for International Patent Patent event code: PA01041R01D Patent event date: 20190520 |