SU633938A1 - Method of silver electroplating of articles - Google Patents
Method of silver electroplating of articlesInfo
- Publication number
- SU633938A1 SU633938A1 SU742013495A SU2013495A SU633938A1 SU 633938 A1 SU633938 A1 SU 633938A1 SU 742013495 A SU742013495 A SU 742013495A SU 2013495 A SU2013495 A SU 2013495A SU 633938 A1 SU633938 A1 SU 633938A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- articles
- silver electroplating
- silvering
- current
- frequency
- Prior art date
Links
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- Electroplating Methods And Accessories (AREA)
Description
травлени повтор етс 2-3 раза, химическое декапирование провод т в растворе НС8 50-100 мл/л, И liO 900-950 мл при t 20-25 С } Т 0,5 мин, промывают в холодной воде, электролитическое серебрение идет в электролите (г/л) A MOjjlO-45,(CH)b3H,,0 50-150, K2.COj 15-ЗО при -Ь 20-25 С, при этом параметры импульсного тока: амплитудна плотность 5-8 А/дм , частота 0,540 Гц, скважность 4-20; параметры ультразвукового пол ; интенсивность в импульсе 0,1-0,5 Вт/см , частота 1580 кГц, частота посылок импульсов 0,540 Гц, затем идет процесс промывки деталей в сборнике электролита.etching is repeated 2-3 times, chemical sampling is carried out in a solution of HC8 50-100 ml / l, AND liO 900-950 ml at t 20-25 C} T 0.5 min, washed in cold water, electrolytic silvering takes place in electrolyte (g / l) A MOjjlO-45, (CH) b3H ,, 0 50-150, K2.COj 15-ЗО at -Ь 20-25 С, while the parameters of the pulse current: amplitude density 5-8 A / dm frequency 0.540 Hz, a duty cycle of 4-20; parameters of the ultrasonic floor; pulse intensity is 0.1–0.5 W / cm, frequency is 1580 kHz, frequency of pulses is 0.540 Hz, then the process of washing parts in an electrolyte collector is performed.
В таблице представлены данные, полученные при серебрении медных деталей по предложенному технологическому способу.The table presents the data obtained during the silvering of copper parts according to the proposed technological method.
Покрытие толщиной 6 мкм выдерживают длительный нагрев (1 час) при 200 С без отслаивани и шелушени .The coating with a thickness of 6 microns withstands prolonged heating (1 hour) at 200 ° C without peeling or peeling.
Предложенный способ серебрени изделий может быть использован при изготовлении деталей радиоэлектронной промышленности , к которым предъ вл ютс жесткие требовани в отношении качестThe proposed method of silvering products can be used in the manufacture of parts of the radio-electronic industry, which are subject to strict quality requirements.
ва покрыти . Щ , Форму.ла изобретени . Способ электролитического серебрени изделий с использованием ультразвуковых 1{;рлебаний,. отличающийс тем, I ; , с целью получени блест щих се/ //рребр ных покрытий в широком диапазоне i плотностей тока при высокой скорости 6339388 осаждени металла, серебрение осуществл ют импульсами тока, а ультразвуковые колебани ввод т в гальваническую ванну импульсно, в паузах осаждающего тока. s Источники информации, прин тые во внимание при экспертизе: 1. Технологи и организаци производства , № 2, 1968, с. 75-77.VA Coverage. W, Formula. Of the invention. The method of electrolytic silvering products using ultrasonic 1 {; rlebany ,. characterized in that i; , in order to obtain brilliant all // // coatings in a wide range of current densities at high speeds of metal deposition 6339388, silvering is carried out with current pulses, and ultrasonic vibrations are introduced into the galvanic bath in pulses during the deposition current. s Sources of information taken into account in the examination: 1. Technologists and production organizations, No. 2, 1968, p. 75-77.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU742013495A SU633938A1 (en) | 1974-04-08 | 1974-04-08 | Method of silver electroplating of articles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU742013495A SU633938A1 (en) | 1974-04-08 | 1974-04-08 | Method of silver electroplating of articles |
Publications (1)
Publication Number | Publication Date |
---|---|
SU633938A1 true SU633938A1 (en) | 1978-11-25 |
Family
ID=20581176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU742013495A SU633938A1 (en) | 1974-04-08 | 1974-04-08 | Method of silver electroplating of articles |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU633938A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4608138A (en) * | 1984-02-16 | 1986-08-26 | Mitsubishi Denki Kabushiki Kaisha | Electrolytic method and apparatus |
US5560813A (en) * | 1994-09-09 | 1996-10-01 | National Science Council | Solder electroplating solution containing gelatin |
-
1974
- 1974-04-08 SU SU742013495A patent/SU633938A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4608138A (en) * | 1984-02-16 | 1986-08-26 | Mitsubishi Denki Kabushiki Kaisha | Electrolytic method and apparatus |
US5560813A (en) * | 1994-09-09 | 1996-10-01 | National Science Council | Solder electroplating solution containing gelatin |
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