CN106575646B - 引线框及其制造方法 - Google Patents
引线框及其制造方法 Download PDFInfo
- Publication number
- CN106575646B CN106575646B CN201580045865.2A CN201580045865A CN106575646B CN 106575646 B CN106575646 B CN 106575646B CN 201580045865 A CN201580045865 A CN 201580045865A CN 106575646 B CN106575646 B CN 106575646B
- Authority
- CN
- China
- Prior art keywords
- plating
- lead frame
- alloy
- metal plate
- etched
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims description 30
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000007747 plating Methods 0.000 claims abstract description 121
- 229910052751 metal Inorganic materials 0.000 claims abstract description 78
- 239000002184 metal Substances 0.000 claims abstract description 78
- 229910052718 tin Inorganic materials 0.000 claims abstract description 50
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 50
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 45
- 239000000956 alloy Substances 0.000 claims abstract description 45
- 150000002739 metals Chemical class 0.000 claims abstract description 40
- 239000004065 semiconductor Substances 0.000 claims abstract description 12
- 229910000510 noble metal Inorganic materials 0.000 claims abstract description 6
- 238000005530 etching Methods 0.000 claims description 29
- 239000010949 copper Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 9
- 229910001252 Pd alloy Inorganic materials 0.000 claims description 6
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 5
- 229910001020 Au alloy Inorganic materials 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims 3
- 239000011701 zinc Substances 0.000 description 60
- 229920005989 resin Polymers 0.000 description 47
- 239000011347 resin Substances 0.000 description 47
- 239000010410 layer Substances 0.000 description 31
- 238000011282 treatment Methods 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000000243 solution Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 229910000881 Cu alloy Inorganic materials 0.000 description 10
- 238000007788 roughening Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- -1 aminosilane compound Chemical class 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000009713 electroplating Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- 229920006310 Asahi-Kasei Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 2
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- GHPYJLCQYMAXGG-WCCKRBBISA-N (2R)-2-amino-3-(2-boronoethylsulfanyl)propanoic acid hydrochloride Chemical compound Cl.N[C@@H](CSCCB(O)O)C(O)=O GHPYJLCQYMAXGG-WCCKRBBISA-N 0.000 description 1
- BZOVBIIWPDQIHF-UHFFFAOYSA-N 3-hydroxy-2-methylbenzenesulfonic acid Chemical compound CC1=C(O)C=CC=C1S(O)(=O)=O BZOVBIIWPDQIHF-UHFFFAOYSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910008433 SnCU Inorganic materials 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 229950011260 betanaphthol Drugs 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- LFAGQMCIGQNPJG-UHFFFAOYSA-N silver cyanide Chemical compound [Ag+].N#[C-] LFAGQMCIGQNPJG-UHFFFAOYSA-N 0.000 description 1
- MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- RCIVOBGSMSSVTR-UHFFFAOYSA-L stannous sulfate Chemical compound [SnH2+2].[O-]S([O-])(=O)=O RCIVOBGSMSSVTR-UHFFFAOYSA-L 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910000375 tin(II) sulfate Inorganic materials 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Images
Classifications
-
- 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
- H01L23/488—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
- H01L23/495—Lead-frames or other flat leads
- H01L23/49579—Lead-frames or other flat leads characterised by the materials of the lead frames or layers thereon
- H01L23/49582—Metallic layers on lead frames
-
- 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
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4821—Flat leads, e.g. lead frames with or without insulating supports
-
- 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
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4821—Flat leads, e.g. lead frames with or without insulating supports
- H01L21/4828—Etching
-
- 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
- H01L23/488—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
- H01L23/495—Lead-frames or other flat leads
-
- 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
- H01L23/488—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
- H01L23/495—Lead-frames or other flat leads
- H01L23/49503—Lead-frames or other flat leads characterised by the die pad
-
- 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
- H01L23/488—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
- H01L23/495—Lead-frames or other flat leads
- H01L23/49541—Geometry of the lead-frame
- H01L23/49548—Cross section geometry
-
- 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
- H01L23/50—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor for integrated circuit devices, e.g. power bus, number of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Geometry (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Electroplating Methods And Accessories (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-171974 | 2014-08-26 | ||
JP2014171974A JP6493952B2 (ja) | 2014-08-26 | 2014-08-26 | リードフレーム及びその製造方法 |
PCT/JP2015/071644 WO2016031482A1 (ja) | 2014-08-26 | 2015-07-30 | リードフレーム及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106575646A CN106575646A (zh) | 2017-04-19 |
CN106575646B true CN106575646B (zh) | 2021-01-05 |
Family
ID=55399383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580045865.2A Active CN106575646B (zh) | 2014-08-26 | 2015-07-30 | 引线框及其制造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9735096B1 (zh) |
JP (1) | JP6493952B2 (zh) |
KR (1) | KR102333434B1 (zh) |
CN (1) | CN106575646B (zh) |
TW (1) | TWI653723B (zh) |
WO (1) | WO2016031482A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6551267B2 (ja) | 2016-03-10 | 2019-07-31 | 信越化学工業株式会社 | セメントモルタル組成物 |
JP6593842B2 (ja) * | 2016-03-16 | 2019-10-23 | 大口マテリアル株式会社 | Ledパッケージ並びに多列型led用リードフレーム及びその製造方法 |
JP6593841B2 (ja) * | 2016-03-16 | 2019-10-23 | 大口マテリアル株式会社 | Ledパッケージ並びに多列型led用リードフレーム及びその製造方法 |
JP6761738B2 (ja) * | 2016-11-15 | 2020-09-30 | 新光電気工業株式会社 | リードフレーム及びその製造方法、電子部品装置の製造方法 |
CN106521583A (zh) * | 2016-11-22 | 2017-03-22 | 宁波康强电子股份有限公司 | 一种引线框架的电镀方法 |
DE102017119344A1 (de) * | 2017-08-24 | 2019-02-28 | Osram Opto Semiconductors Gmbh | Träger und Bauteil mit Pufferschicht sowie Verfahren zur Herstellung eines Bauteils |
JP7256382B2 (ja) * | 2019-04-26 | 2023-04-12 | 日亜化学工業株式会社 | 発光装置の製造方法 |
CN111787706A (zh) * | 2020-07-16 | 2020-10-16 | 田秋国 | 一种无基材电路板的加工方法 |
CN112151489B (zh) * | 2020-09-01 | 2023-06-06 | 通富微电科技(南通)有限公司 | 引线框架、引线框架的形成方法及引线框架封装体 |
KR20240051069A (ko) * | 2021-09-03 | 2024-04-19 | 다이니폰 인사츠 가부시키가이샤 | 리드 프레임 및 그 제조 방법 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5343073A (en) | 1992-01-17 | 1994-08-30 | Olin Corporation | Lead frames having a chromium and zinc alloy coating |
JP2000031366A (ja) | 1998-07-14 | 2000-01-28 | Dainippon Printing Co Ltd | 樹脂封止型半導体装置とそれに用いられる回路部材およびそれらの製造方法 |
JP2000133763A (ja) * | 1998-10-26 | 2000-05-12 | Dainippon Printing Co Ltd | 樹脂封止型半導体装置用の回路部材およびその製造方法 |
JP3765709B2 (ja) | 2000-06-01 | 2006-04-12 | 株式会社神戸製鋼所 | 電子部品の放熱板用めっき付き金属板・条材の製造方法 |
JP3895570B2 (ja) * | 2000-12-28 | 2007-03-22 | 株式会社ルネサステクノロジ | 半導体装置 |
US6661083B2 (en) * | 2001-02-27 | 2003-12-09 | Chippac, Inc | Plastic semiconductor package |
JP2002270740A (ja) | 2001-03-09 | 2002-09-20 | Toyo Kohan Co Ltd | 半導体用放熱板およびそれを用いた半導体装置 |
JP2005226096A (ja) | 2004-02-10 | 2005-08-25 | Kobe Steel Ltd | 電子部品用銅又は銅合金板・条材及びその製造方法 |
WO2005117112A1 (ja) * | 2004-05-27 | 2005-12-08 | Shinko Electric Industries Co., Ltd. | 半導体装置用リードフレーム |
JP5428667B2 (ja) * | 2009-09-07 | 2014-02-26 | 日立化成株式会社 | 半導体チップ搭載用基板の製造方法 |
TW201250964A (en) * | 2011-01-27 | 2012-12-16 | Dainippon Printing Co Ltd | Resin-attached lead frame, method for manufacturing same, and lead frame |
JP5813335B2 (ja) * | 2011-02-08 | 2015-11-17 | 新光電気工業株式会社 | リードフレーム、半導体装置、リードフレームの製造方法及び半導体装置の製造方法 |
CN102222658B (zh) * | 2011-06-30 | 2013-08-14 | 天水华天科技股份有限公司 | 多圈排列ic芯片封装件及其生产方法 |
JP5083472B1 (ja) | 2012-01-25 | 2012-11-28 | パナソニック株式会社 | Ledパッケージの製造方法 |
CN202549829U (zh) * | 2012-04-06 | 2012-11-21 | 天水华天科技股份有限公司 | 四边扁平无引脚封装件 |
JP6057285B2 (ja) * | 2012-10-26 | 2017-01-11 | Shマテリアル株式会社 | 半導体素子搭載用基板 |
CN203103285U (zh) * | 2012-12-15 | 2013-07-31 | 华天科技(西安)有限公司 | 一种高密度蚀刻引线框架fcaaqfn封装件 |
JP2014146827A (ja) * | 2014-03-27 | 2014-08-14 | Dainippon Printing Co Ltd | 回路部材の表面積層構造 |
-
2014
- 2014-08-26 JP JP2014171974A patent/JP6493952B2/ja active Active
-
2015
- 2015-07-30 KR KR1020177005014A patent/KR102333434B1/ko active IP Right Grant
- 2015-07-30 WO PCT/JP2015/071644 patent/WO2016031482A1/ja active Application Filing
- 2015-07-30 CN CN201580045865.2A patent/CN106575646B/zh active Active
- 2015-07-30 US US15/504,404 patent/US9735096B1/en active Active
- 2015-08-13 TW TW104126382A patent/TWI653723B/zh active
Also Published As
Publication number | Publication date |
---|---|
CN106575646A (zh) | 2017-04-19 |
TWI653723B (zh) | 2019-03-11 |
US20170236775A1 (en) | 2017-08-17 |
TW201622090A (zh) | 2016-06-16 |
KR20170048351A (ko) | 2017-05-08 |
JP2016046488A (ja) | 2016-04-04 |
KR102333434B1 (ko) | 2021-11-30 |
JP6493952B2 (ja) | 2019-04-03 |
US9735096B1 (en) | 2017-08-15 |
WO2016031482A1 (ja) | 2016-03-03 |
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