SU461655A1 - Method for electrolytic production of copper foil - Google Patents
Method for electrolytic production of copper foilInfo
- Publication number
- SU461655A1 SU461655A1 SU1445997A SU1445997A SU461655A1 SU 461655 A1 SU461655 A1 SU 461655A1 SU 1445997 A SU1445997 A SU 1445997A SU 1445997 A SU1445997 A SU 1445997A SU 461655 A1 SU461655 A1 SU 461655A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- copper foil
- stage
- foil
- electrolytic production
- current density
- Prior art date
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Electrolytic Production Of Metals (AREA)
Description
Продолжительность первой стадии б мин 27 сек. Затем переход т ко второй стадии. Дл этого, сотфан все услови электролиза неизменным , повьшиют плотность тока до величины, близкой к предельной (5000 А/м). Продолжительность второй стадии Шеек. На третьей стадии процесса прекращают перемешивание электролита и повьь шакп плотность тока до величины выше предельной (7500А/м). Продолжительность третьей стадии 1,5 сек. ,The duration of the first stage b min 27 sec. Then proceed to the second stage. For this, all the conditions of electrolysis are unchanged; they will increase the current density to a value close to the limit (5000 A / m). The duration of the second stage of the necks. At the third stage of the process, electrolyte mixing is stopped and the current density is reduced to a value above the limiting value (7500 A / m). The duration of the third stage is 1.5 seconds. ,
По окончании процесса фольту промьюают.At the end of the process, the folt is flushed.
сушат и снимают с катода. Полз енна фольга готова к употреблению дл производсша фольгирова1шых материалов. Фольгированные материалы, которые изготовлены на- фольге, полученной предлагаемым способом, показали стабильность прочности сцеплени фольги с диэлектриком в состо нии поставки и при испытании на гальваностойкосгь , термостойкость и влагоустойчивос ь в отличие от оксидированной фольги, у которой после указанных испытаний прочность сцеплени значительно С1шжаетс (см. таблицу), .dried and removed from the cathode. The crawled foil is ready for use for the production of foil materials. Foil materials that are made on the foil obtained by the proposed method showed the strength of adhesion of the foil to the dielectric in the delivery condition and when tested for galvanic resistance, heat resistance and moisture resistance, unlike the oxidized foil, which after these tests has a strong adhesion strength of C1. see table),.
изобретени the invention
Способ электролитического медной фольги в электролизере с врайдающимс барабанным катодом из сернокислого раствора при высокой плотности тока, отличающийс тем, что, с целью получени фольги с односторонней шероховатой поверхностью дл улучшени ее сцеплени сA method of electrolytic copper foil in an electrolytic cell with a penetrating drum cathode of sulphate solution at a high current density, characterized in that, in order to produce a foil with a one-sided rough surface to improve its adhesion to
диэлектриком, при прохождении катода через электролит производ т последовательное изменение плотности тока в три стадии, причем на первой стадии поддерживают плотность тока 20003000 А/м, на второй стадии - 4000-6000 А/м при интенотвном перемешивании электролита, а на третьей стадии - 4000-20000 А/м без перемешивани электролита.dielectric, with the passage of the cathode through the electrolyte produce a sequential change in current density in three stages, and in the first stage maintain a current density of 20003000 A / m, in the second stage - 4000-6000 A / m with intensive mixing of the electrolyte, and in the third stage - 4000 -20000 A / m without electrolyte mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1445997A SU461655A1 (en) | 1970-07-07 | 1970-07-07 | Method for electrolytic production of copper foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1445997A SU461655A1 (en) | 1970-07-07 | 1970-07-07 | Method for electrolytic production of copper foil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU461655A1 true SU461655A1 (en) | 1976-05-05 |
Family
ID=20453723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1445997A SU461655A1 (en) | 1970-07-07 | 1970-07-07 | Method for electrolytic production of copper foil |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU461655A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0568733A2 (en) * | 1992-05-06 | 1993-11-10 | Circuit Foil U.S.A. Incorporated | Low profile copper foil and process and apparatus for making bondable metal foils |
| WO2004035868A1 (en) * | 2002-10-21 | 2004-04-29 | Intec Ltd | Electrolysis process and cell for use in same |
-
1970
- 1970-07-07 SU SU1445997A patent/SU461655A1/en active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0568733A2 (en) * | 1992-05-06 | 1993-11-10 | Circuit Foil U.S.A. Incorporated | Low profile copper foil and process and apparatus for making bondable metal foils |
| EP0568733A3 (en) * | 1992-05-06 | 1994-05-11 | Circuit Foil Usa Inc | Low profile copper foil and process and apparatus for making bondable metal foils |
| WO2004035868A1 (en) * | 2002-10-21 | 2004-04-29 | Intec Ltd | Electrolysis process and cell for use in same |
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