JPH01115071A - Contact parts which have rust preventing treatment coated layer and its manufacture - Google Patents
Contact parts which have rust preventing treatment coated layer and its manufactureInfo
- Publication number
- JPH01115071A JPH01115071A JP27282487A JP27282487A JPH01115071A JP H01115071 A JPH01115071 A JP H01115071A JP 27282487 A JP27282487 A JP 27282487A JP 27282487 A JP27282487 A JP 27282487A JP H01115071 A JPH01115071 A JP H01115071A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- rust
- coating layer
- rust preventive
- preventive treatment
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title abstract description 30
- 239000010410 layer Substances 0.000 claims abstract description 27
- 239000002904 solvent Substances 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 230000001050 lubricating effect Effects 0.000 claims abstract description 6
- 238000005476 soldering Methods 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000011247 coating layer Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 5
- 239000010931 gold Substances 0.000 abstract description 5
- 229910052737 gold Inorganic materials 0.000 abstract description 5
- 229910052759 nickel Inorganic materials 0.000 abstract description 5
- 239000002344 surface layer Substances 0.000 abstract description 2
- 230000003449 preventive effect Effects 0.000 abstract 7
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 10
- 238000007747 plating Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- AQHBWWRHIPVRBT-UHFFFAOYSA-N s-(1,3-thiazol-2-yl)thiohydroxylamine Chemical compound NSC1=NC=CS1 AQHBWWRHIPVRBT-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
- Fats And Perfumes (AREA)
- Lubricants (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は耐熱性および耐溶剤性に優れるとともに、耐食
性および潤滑性に優れた防錆処理被膜層を有する接触部
品およびこの防錆処理被膜層を有する接触部品の製造方
法に関するものである。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a contact part having a rust-preventing coating layer having excellent heat resistance and solvent resistance, as well as corrosion resistance and lubricity, and a contact part having a rust-preventing coating layer having excellent heat resistance and solvent resistance, as well as corrosion resistance and lubricity. The present invention relates to a method of manufacturing a contact component having the following.
（従来の技術およびその問題点）
プリント基板等に設けられるコネクタは、電気的な接続
が確実になされること、また、耐食性および耐久性に優
れ、挿抜操作が容易に行えること等が要求される。(Prior art and its problems) Connectors installed on printed circuit boards, etc. are required to ensure electrical connection, have excellent corrosion resistance and durability, and be easy to insert and remove. .
通常、コネクタ部には電気的接続の信頼性を高めるため
、金めつき等の貴金属めっきが施され、めっき面に対し
て防錆処理が施される。そして、コネクタ部は電子部品
等を実装する際に、はんだ付け等の加熱工程やはんだフ
ラックスを除去するための溶剤洗浄工程を受けるため、
上述した防錆処理面に対しては、これらの工程に十分耐
えられる耐熱性および耐溶剤性が必要とされる。また−
方、コネクタを円滑に挿抜操作できるように、防錆処理
面に対して潤滑性および耐ＰＮ耗性が要求される。Usually, the connector portion is plated with a noble metal such as gold plating to improve the reliability of electrical connection, and the plated surface is subjected to anti-corrosion treatment. When mounting electronic components, the connector part undergoes a heating process such as soldering and a solvent cleaning process to remove solder flux.
The above-mentioned anti-rust treated surface is required to have heat resistance and solvent resistance sufficient to withstand these steps. Also-
On the other hand, the anti-corrosion treated surface is required to have lubricity and PN wear resistance so that the connector can be inserted and removed smoothly.
しかしながら、防錆処理面は加熱および溶剤洗浄の工程
を経過することによって、防錆処理面の潤滑性が失われ
るという問題点がある。すなわち、耐熱性および耐溶剤
性および潤滑性を合わせ持つ防錆処理面は通常の方法で
は得ることができない。However, there is a problem in that the anti-rust treated surface loses its lubricity when subjected to heating and solvent cleaning steps. That is, a rust-preventing surface that has heat resistance, solvent resistance, and lubricity cannot be obtained by normal methods.
そこで１本発明は上記問題点を解消すべくなされたもの
であり、その目的とするところは、耐熱性および耐溶剤
性が高く、接点部の耐食性が向上して電気的接続が確実
になされると共に、潤滑性に優れて耐摩耗性を向」ニさ
せることのできる防錆処理被膜を有する接触部品と、こ
の防錆処理被膜を有する接触部品を容易に製造すること
のできる製造方法を提供するにある。Therefore, the present invention was made to solve the above-mentioned problems, and its purpose is to have high heat resistance and solvent resistance, improve corrosion resistance of contact parts, and ensure electrical connection. In addition, the present invention provides a contact part having an anti-rust coating that has excellent lubricity and improved wear resistance, and a manufacturing method that can easily produce the contact part having the anti-rust coating. It is in.
（問題点を解決するための手段） 本発明は上記目的を達成するため次の構成を備える。(Means for solving problems) The present invention includes the following configuration to achieve the above object.
すなわち、金属表面に防錆処理被膜層が形成されたコ°
ネクタ等の接触部品において、前記防錆処理被膜層は、
下層が耐熱性あるいは耐溶剤性を有する被膜層、上層が
接触部品の挿抜を容易にするための潤滑性に優れた層の
２層に設けられていることを特徴とし、また。In other words, the metal surface is coated with a rust-preventive coating layer.
In contact parts such as connectors, the anti-rust coating layer is
It is characterized by being provided with two layers: the lower layer is a heat-resistant or solvent-resistant coating layer, and the upper layer is a layer with excellent lubricity to facilitate the insertion and removal of contact parts.
金属表面に防錆処理被膜層が形成されたコネクタ等の接
触部品の製造方法において、前記接触部品の接点部に、
耐熱性や耐溶剤性を有する被膜層を施し、はんだ付け等
の処理工程やはんだフラックスを除去するための溶剤洗
浄等を経た後、パラフィン系等の潤滑性を有する被膜層
を施すことを特徴とする。In a method for manufacturing a contact part such as a connector in which a rust-preventing coating layer is formed on a metal surface, the contact part of the contact part includes:
A coating layer with heat resistance and solvent resistance is applied, and after a process such as soldering and cleaning with a solvent to remove solder flux, a coating layer with lubricating properties such as paraffin type is applied. do.
（実施例） 以下に本発明の好適な実施例について説明する。(Example) Preferred embodiments of the present invention will be described below.
はじめに、コネクタの製造工程および実装工程の一実施
例について説明する。First, an example of a connector manufacturing process and a mounting process will be described.
第１図に本発明方法によるコネクタの製造工程および実
装工程と従来の製造工程および実装工程とを示す。FIG. 1 shows a connector manufacturing process and mounting process according to the method of the present invention and a conventional manufacturing process and mounting process.
コネクタ部は導体部であるコンタクトと絶縁体部である
インシュレータとから成り、前記コンタクトは鋼材を所
定形状にプレス成形した後、めっき処理される。このめ
っき処理は通常母材上にニッケルめっきおよび金めつき
が施される。そして。The connector portion is composed of a contact as a conductor portion and an insulator as an insulator portion, and the contact is plated after press-forming a steel material into a predetermined shape. This plating process usually involves nickel plating and gold plating on the base material. and.
めっき面にはめっき面のピンホール等から腐食が増大し
ないように防錆処理が施される。この防錆処理は第１図
では、従来例で防錆処理、発明例では処理Ａとして示さ
れる部分である。Anti-rust treatment is applied to the plated surface to prevent corrosion from increasing due to pinholes, etc. on the plated surface. In FIG. 1, this rust prevention treatment is shown as rust prevention treatment in the conventional example and treatment A in the invention example.
一方、インシュレータは樹脂を所定形状にモールド成形
され、このモールド成形後のインシュレータと上述した
防錆処理後のコンタクトとをあわせてコネクタが組み立
てられる。On the other hand, the insulator is molded from resin into a predetermined shape, and a connector is assembled by combining the molded insulator with the above-described rust-preventing contacts.
ついで、実装」工程に移り、プリント基板にコネクタを
設けた後電子部品をはんだ付けし、さらに、残留したは
んだフラックスを除去するために溶剤を使用した洗浄が
なされる。Next, the process moves to "mounting", in which connectors are provided on the printed circuit board, electronic components are soldered thereto, and cleaning is performed using a solvent to remove residual solder flux.
従来例においては、洗浄後、ＩＣパッケージ等に搭載さ
れ、組み立てられて製造が完了するが、発明例では、洗
浄後にコネクタ部の潤滑性、耐摩耗性を向上させるため
の防錆処理（処理Ｂ）をさらに施し、また、ＩＣパッケ
ージのコネクタ部にもあらかじめ前記潤滑性、耐摩耗性
を向上させる防錆処理（処理１３）を施した後、これら
を組み立てて完成される。In the conventional example, after cleaning, the IC package is mounted on an IC package, etc., and the manufacturing is completed.However, in the invention example, after cleaning, the connector part is subjected to anti-corrosion treatment (treatment B) to improve the lubricity and wear resistance of the connector part. ), and the connector portion of the IC package is also subjected to anti-rust treatment (treatment 13) for improving the lubricity and wear resistance, and then these are assembled and completed.
上述した製造方法からもわかるとおり、従来１回行って
いた防錆処理を、この発明例では前後２回に分けて行っ
ている点に特徴があり、発明例のコネクタ部には防錆処
理被膜層が２層に形成されることになる。As can be seen from the above-mentioned manufacturing method, the present invention is characterized by the fact that the rust prevention treatment, which was conventionally performed once, is performed in two times, the front and back, and the connector part of the invention example is coated with a rust prevention treatment coating. Two layers will be formed.
なお、第１回口の防錆処理はめっき面の封孔処理を主と
して目的とするものであるが、後工程ではんだ付けおよ
び溶剤洗浄がなされるので、この防錆処理においては耐
熱性および耐溶剤性を有する防錆処理を行う必要がある
。耐熱性および耐溶剤性を有する防錆処理液としては、
たとえば、ソルビタンエステルエーテル系の界面活性剤
あるいはポリビニル系アルコールの高分子化合物の少な
くとも一方と、防錆処理液として従来使用されているチ
オバルビッル酸、アミノメルカプトチアゾール等の硫黄
化合物とを含むものが使用できる。The primary purpose of the first rust prevention treatment is to seal the plated surface, but since soldering and solvent cleaning will be performed in the subsequent process, heat resistance and It is necessary to perform rust prevention treatment with solvent properties. As a rust prevention treatment liquid with heat resistance and solvent resistance,
For example, one can be used that contains at least one of a sorbitan ester ether surfactant or a polyvinyl alcohol polymer compound, and a sulfur compound such as thiobarbic acid or aminomercaptothiazole, which is conventionally used as a rust prevention treatment liquid. .
また、処理Ｂにおいてはコネクタ部の潤滑性、耐摩耗性
を向上させるためにパラフィン類、たとえば、セルシン
、パラフィン、ミツロウ等が使用できる。Further, in Process B, paraffins such as cercin, paraffin, beeswax, etc. can be used to improve the lubricity and wear resistance of the connector portion.
第２図は上述した製造方法によって得られるコネクタ部
の防錆処理被膜層を示す説明図であり、第２図（ａ）は
上述した発明例の製造方法で得られるもの、第２図（ｂ
）は従来例のものである。FIG. 2 is an explanatory view showing the anti-rust coating layer of the connector part obtained by the above-mentioned manufacturing method, and FIG.
) are those of the conventional example.
図で１０はコネクタの母材であり、１１はこの母材１０
上に形成されたニッケルめっき層、１２はニッケルめっ
き層１１上に形成された金めつき層である。In the figure, 10 is the base material of the connector, and 11 is this base material 10.
The nickel plating layer 12 formed thereon is a gold plating layer formed on the nickel plating layer 11.
１３は従来例で形成される防錆処理被膜層であり、図示
するように金めつきＷ１１２の上層に１層のみ被膜層と
して設けられる。これに対して、発明例では第２図（ａ
）に示すように金めつき層１２上に前記処理Ａで形成さ
れた防錆処理被膜層１４、およびこの防錆処理被膜層１
４の上に前記処理Ｂで形成された防錆処理被膜層１５が
設けられる。Reference numeral 13 denotes a rust-proofing coating layer formed in the conventional example, and as shown in the figure, only one coating layer is provided on the gold-plated W 112. On the other hand, in the invention example, FIG.
) As shown in FIG.
4, an anticorrosive coating layer 15 formed in the treatment B is provided.
上述したように、本実施例のコネクタはその表面層が潤
滑性、耐摩耗性に優れた防錆処理層によって被覆されて
いるから、ＩＣパッケージ等をソケット等に挿入する際
の挿入力を低減させることができ、容易に肌着すること
ができる。As mentioned above, the surface layer of the connector of this example is coated with an anti-corrosion treatment layer with excellent lubricity and wear resistance, which reduces the insertion force when inserting an IC package etc. into a socket etc. It can be easily worn under the skin.
なお、上述した製造方法によれば、はんだ付けおよび洗
浄処理の後に、潤滑性を向上させる防錆処理を施すので
、この防錆処理によって潤滑性が得られ、従来の防錆処
理を施したコネクタに比較して潤滑性を向上させること
ができる。In addition, according to the above-mentioned manufacturing method, after soldering and cleaning, anti-rust treatment is applied to improve lubricity, so this anti-rust treatment provides lubricity, and connectors with conventional anti-corrosion treatment are The lubricity can be improved compared to
以上本発明について好適な実施例を挙げて種々説明した
が、本発明はこの実施例に限定されるものではなく１発
明の精神を逸脱しない範囲内で多くの改変を施し得るの
はもちろんのことである。The present invention has been variously explained above using preferred embodiments, but it goes without saying that the present invention is not limited to these embodiments and can be modified in many ways without departing from the spirit of the invention. It is.
（発明の効果）
本発明に係る防錆処理被膜層を有する接触部品には、上
述したように２層の防錆処理被膜層が形成されるから、
以下のような顕著な作用効果を奏する。すなわち、
■ 耐熱性および耐溶剤性に優れた防錆処理被膜層が得
られることにより、接触部品の電気的接続の信頼性を向
上させることができる。(Effects of the Invention) As described above, two antirust coating layers are formed on the contact component having the antirust coating layer according to the present invention.
It has the following remarkable effects. That is, (1) the reliability of the electrical connection of contact parts can be improved by obtaining a rust-preventing coating layer with excellent heat resistance and solvent resistance.
■ また、潤滑性、耐摩耗性に優れた防錆処理被膜層が
得られるから、ＩＣソケット等に円滑に挿入することが
でき、コネクタ等の接触部品の挿抜回数を増大させるこ
とができる。(2) Furthermore, since a rust-preventing coating layer with excellent lubricity and wear resistance is obtained, it can be smoothly inserted into IC sockets, etc., and the number of times contact parts such as connectors can be inserted and removed can be increased.
■ また、耐熱性と耐溶剤性に優れた防錆処理と、潤滑
性および耐摩耗性に優れた防錆処理とを分けて行うこと
ができるから、それぞれの処理に好適な助錯処理液が使
用でき、また、接触部品に要求される電気的接続の信頼
性と操作性をともに満足する防錆処理を容易に行うこと
ができる。■ In addition, since rust prevention treatment with excellent heat resistance and solvent resistance and rust prevention treatment with excellent lubricity and wear resistance can be performed separately, the auxiliary treatment solution suitable for each treatment can be carried out separately. Furthermore, it is possible to easily perform rust prevention treatment that satisfies both the reliability of electrical connection and the operability required for contact parts.
第１図は本発明方法および従来の方法によるコネクタの
製造工程および実装工程を示す説明図、第２図（ａ）お
よび（ｂ）は本発明方法および従来の方法によって得ら
れる防錆処理被膜層を示す断面図である。
１０・・・母材、 １１・・・ニッケルめっき層、
１２・・・金めつき層、 １３・・・防錆被膜層、
１４．１５・・・防錆処理被膜層。
図面
第 １ 膿
第 ２
（ａ）
（ｂ）Figure 1 is an explanatory diagram showing the manufacturing process and mounting process of a connector by the method of the present invention and the conventional method, and Figures 2 (a) and (b) are anticorrosive coating layers obtained by the method of the present invention and the conventional method. FIG. 10... Base material, 11... Nickel plating layer,
12... Gold plating layer, 13... Antirust coating layer,
14.15...Anti-rust coating layer. Drawing No. 1 Pus 2 (a) (b)
Claims (1)
の接触部品において、前記防錆処理被膜層は、下層が耐
熱性あるいは耐溶剤性を有する被膜層、上層が接触部品
の挿抜を容易にするための潤滑性に優れた層の２層に設
けられていることを特徴とする防錆処理被膜層を有する
接触部品。 ２、金属表面に防錆処理被膜層が形成されたコネクタ等
の接触部品の製造方法において、前記接触部品の接点部
に、耐熱性や耐溶剤性を有する被膜層を施し、はんだ付
け等の処理工程やはんだフラックスを除去するための溶
剤洗浄等を経た後、パラフィン系等の潤滑性を有する被
膜層を施すことを特徴とする防錆処理被膜層を有する接
触部品の製造方法。[Claims] 1. In a contact part such as a connector in which a rust-preventing coating layer is formed on a metal surface, the rust-preventing coating layer has a heat-resistant or solvent-resistant lower layer and a top layer. A contact part having a rust-preventing coating layer, characterized in that it is provided in two layers: a layer with excellent lubricity to facilitate insertion and removal of the contact part. 2. In a method for manufacturing a contact part such as a connector in which a rust-preventing coating layer is formed on the metal surface, a heat-resistant and solvent-resistant coating layer is applied to the contact part of the contact part, and a process such as soldering is performed. A method for manufacturing contact parts having a rust-preventing coating layer, which comprises applying a coating layer having lubricating properties such as a paraffin-based coating after a process such as solvent cleaning to remove solder flux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62272824A JP2823196B2 (en) | 1987-10-28 | 1987-10-28 | Contact component having rust-proof coating layer and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62272824A JP2823196B2 (en) | 1987-10-28 | 1987-10-28 | Contact component having rust-proof coating layer and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01115071A true JPH01115071A (en) | 1989-05-08 |
| JP2823196B2 JP2823196B2 (en) | 1998-11-11 |
Family
ID=17519273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62272824A Expired - Fee Related JP2823196B2 (en) | 1987-10-28 | 1987-10-28 | Contact component having rust-proof coating layer and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2823196B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0597074U (en) * | 1992-06-04 | 1993-12-27 | 日本航空電子工業株式会社 | connector |
| US6627329B1 (en) * | 1998-06-29 | 2003-09-30 | Japan Aviation Electronics Industry | Plated materials and contacts for connectors made by using the same |
| KR100513471B1 (en) * | 2003-08-06 | 2005-09-07 | 현대자동차주식회사 | Dust preventing apparatus for oil seal |
| CN105051260A (en) * | 2013-03-21 | 2015-11-11 | 同和金属技术有限公司 | Silver-plated material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57212786A (en) * | 1981-06-24 | 1982-12-27 | Fujitsu Ltd | Contact part |
| JPS5937534A (en) * | 1982-08-26 | 1984-03-01 | Fuji Xerox Co Ltd | Picture projector |
| JPS6072181A (en) * | 1983-09-28 | 1985-04-24 | シャープ株式会社 | Surface treating method of electric contacting terminal |
| JPS60251285A (en) * | 1984-05-25 | 1985-12-11 | Showa Denko Kk | Surface treating agent for plating on electrical contact |
-
1987
- 1987-10-28 JP JP62272824A patent/JP2823196B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57212786A (en) * | 1981-06-24 | 1982-12-27 | Fujitsu Ltd | Contact part |
| JPS5937534A (en) * | 1982-08-26 | 1984-03-01 | Fuji Xerox Co Ltd | Picture projector |
| JPS6072181A (en) * | 1983-09-28 | 1985-04-24 | シャープ株式会社 | Surface treating method of electric contacting terminal |
| JPS60251285A (en) * | 1984-05-25 | 1985-12-11 | Showa Denko Kk | Surface treating agent for plating on electrical contact |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0597074U (en) * | 1992-06-04 | 1993-12-27 | 日本航空電子工業株式会社 | connector |
| US6627329B1 (en) * | 1998-06-29 | 2003-09-30 | Japan Aviation Electronics Industry | Plated materials and contacts for connectors made by using the same |
| KR100513471B1 (en) * | 2003-08-06 | 2005-09-07 | 현대자동차주식회사 | Dust preventing apparatus for oil seal |
| CN105051260A (en) * | 2013-03-21 | 2015-11-11 | 同和金属技术有限公司 | Silver-plated material |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2823196B2 (en) | 1998-11-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |