JP7270091B2 - ホイスカーの抑制を改良したプレスフィット端子 - Google Patents
ホイスカーの抑制を改良したプレスフィット端子 Download PDFInfo
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- JP7270091B2 JP7270091B2 JP2022041700A JP2022041700A JP7270091B2 JP 7270091 B2 JP7270091 B2 JP 7270091B2 JP 2022041700 A JP2022041700 A JP 2022041700A JP 2022041700 A JP2022041700 A JP 2022041700A JP 7270091 B2 JP7270091 B2 JP 7270091B2
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- 230000001629 suppression Effects 0.000 title description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 84
- 229910052751 metal Inorganic materials 0.000 claims description 46
- 239000002184 metal Substances 0.000 claims description 46
- 229910052759 nickel Inorganic materials 0.000 claims description 42
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 37
- 229910052718 tin Inorganic materials 0.000 claims description 37
- 229910052738 indium Inorganic materials 0.000 claims description 36
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 36
- 239000000758 substrate Substances 0.000 claims description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 24
- 229910052802 copper Inorganic materials 0.000 claims description 24
- 239000010949 copper Substances 0.000 claims description 24
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 23
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 23
- 230000004888 barrier function Effects 0.000 claims description 17
- 230000005489 elastic deformation Effects 0.000 claims description 17
- 238000007747 plating Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 4
- JWVAUCBYEDDGAD-UHFFFAOYSA-N bismuth tin Chemical compound [Sn].[Bi] JWVAUCBYEDDGAD-UHFFFAOYSA-N 0.000 claims description 3
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 5
- 238000009713 electroplating Methods 0.000 description 20
- 238000012360 testing method Methods 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000007373 indentation Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 229910001092 metal group alloy Inorganic materials 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- QCEUXSAXTBNJGO-UHFFFAOYSA-N [Ag].[Sn] Chemical compound [Ag].[Sn] QCEUXSAXTBNJGO-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910018471 Cu6Sn5 Inorganic materials 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 241001275902 Parabramis pekinensis Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- -1 glycol ethers Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000008646 thermal stress Effects 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
- H01L23/481—Internal lead connections, e.g. via connections, feedthrough structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/528—Geometry or layout of the interconnection structure
- H01L23/5283—Cross-sectional geometry
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
- H01R12/7011—Locking or fixing a connector to a PCB
- H01R12/7064—Press fitting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/115—Via connections; Lands around holes or via connections
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Geometry (AREA)
- Electroplating Methods And Accessories (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Description
1)ホイールを逆時計廻りに回転させてロッドを上げる;
2)はかり又は試料をロッド下に置く;
3)(500g超の荷重下での試験のために)重りをロッド上に置く;
4)ホイールを時計廻りにゆるやかに回転させて、はかり又は試料上に荷重を加える(はかり又は試料上に荷重が完全に加えられるときホイールは緩い感じがする);及び
5)ホイールを逆時計廻りにゆるやかに回転させて、荷重を除去し、次いではかり又は試料を取り出す。
、以下の表においてそれぞれの金属層配列について示される。
12 基板接続部
14 スルーホール
16 基板
18 導電路
20 接触部
22 ガイド部
24 弾性変形部
26 溝部
28 ネック部
30A 近似直線部分
32 複数層金属物品
34 インジウム金属層
36 スズ合金層
38 ニッケル合金バリア層
40 銅合金層
100 押込試験装置
110 内部シャフト
120 ステンレス鋼ホルダー
130 矩形試料台
140 ホイール
150 レベル調整脚
160 ステンレス鋼ロッド
170 取り外し可能先端部
200 ポスト
Claims (5)
- 印刷回路板の導電性スルーホールに挿入されるプレスフィット端子を作成する方法であって、プレスフィット端子が、第1及び第2の弾性変形部を含み、前記第1及び第2の弾性変形部がプレスフィット端子の長さに沿っており、前記第1及び前記第2の弾性変形部が外部表面及び内部表面を有し、前記第1及び第2の弾性変形部が、一方の端部でガイド部によって及び前記ガイド部の反対側の端部でネック部によって接合され、溝部が第1及び第2の弾性変形部の間に形成され、前記プレスフィット端子が前記スルーホールに挿入されるとき、前記第1及び第2の弾性変形部は互いに向かって圧縮され、その結果1000MPa以上の外部圧力が前記第1及び第2の弾性変形部上に加えられ、プレスフィット端子が、順に、銅又は銅合金基材、前記銅又は銅合金基材に隣接するニッケル又はニッケル合金バリア層、前記ニッケル又はニッケル合金バリア層に隣接するスズ又はスズ合金層及び前記スズ又はスズ合金層に隣接するインジウム最上層を含み、
前記スズ合金は、スズ-ビスマス及びスズ-インジウムからなる群から選択され、
前記インジウム最上層が0.25~3μmの厚さを有し、
前記ニッケル又はニッケル合金バリア層は0.5~5μmの厚さを有し、
前記方法は、
ニッケル又はニッケル合金が、前記銅又は銅合金基材に直接に隣接して堆積されて前記ニッケル又はニッケル合金バリア層を形成する工程、
スズ又はスズ合金が、前記ニッケル又はニッケル合金バリア層に直接に隣接してめっきされて前記スズ又はスズ合金層を形成する工程、
インジウム金属が、前記スズ又はスズ合金層に直接に隣接して堆積されて、前記銅又は銅合金基材、前記ニッケル又はニッケル合金バリア層、前記スズ又はスズ合金層及び前記インジウム最上層を含む金属層配列を形成する工程、
を含み、並びに、前記金属層配列が形成された後は、前記金属層配列は加熱も、アニールも、リフローもされない、方法。 - 前記ニッケル又はニッケル合金バリア層が1~4μmの厚さを有する、請求項1に記載の基板の導電性スルーホールに挿入されるプレスフィット端子を作成する方法。
- 前記スズ又はスズ合金層が0.5~5μmの厚さを有する、請求項1に記載の基板の導電性スルーホールに挿入されるプレスフィット端子を作成する方法。
- 前記インジウム最上層が0.25~1μmの厚さを有する、請求項1に記載の基板の導電性スルーホールに挿入されるプレスフィット端子を作成する方法。
- 前記インジウム最上層が0.25~0.4μmの厚さを有する、請求項4に記載の基板の導電性スルーホールに挿入されるプレスフィット端子を作成する方法。
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US201962859496P | 2019-06-10 | 2019-06-10 | |
US62/859,496 | 2019-06-10 | ||
JP2020091094A JP2020200536A (ja) | 2019-06-10 | 2020-05-26 | ホイスカーの抑制を改良したプレスフィット端子 |
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US (1) | US11296436B2 (ja) |
EP (1) | EP3751669B1 (ja) |
JP (2) | JP2020200536A (ja) |
KR (1) | KR102511741B1 (ja) |
CN (2) | CN116666333A (ja) |
TW (1) | TWI757748B (ja) |
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JP7205714B2 (ja) * | 2018-12-28 | 2023-01-17 | 株式会社オートネットワーク技術研究所 | プレスフィット端子 |
DE102019112697A1 (de) * | 2019-05-15 | 2020-11-19 | Andreas Veigel | Drahtverbindungselement |
JP7226209B2 (ja) * | 2019-09-19 | 2023-02-21 | 株式会社オートネットワーク技術研究所 | ピン端子、コネクタ、コネクタ付きワイヤーハーネス、及びコントロールユニット |
US11929568B2 (en) * | 2020-09-24 | 2024-03-12 | Avx Corporation | Solderless wire-to-board single pair ethernet connection system |
EP4142062A1 (en) * | 2021-08-30 | 2023-03-01 | TE Connectivity Germany GmbH | Electric contact having a multilayered coating structure |
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US11296436B2 (en) | 2022-04-05 |
TWI757748B (zh) | 2022-03-11 |
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CN112072350A (zh) | 2020-12-11 |
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