METHOD OF MANUFACTURING THIN-WALLED PARTS Russian patent published in 1998 - IPC

Abstract RU 2121531 C1

FIELD: mechanical engineering, electroplating; may be used in electroplating shops of various specialization in manufacture of parts of radioelectronics, opticomechanical industry, jewelry, irons, etc. SUBSTANCE: method consists in electroplating on special matrix of needed metal. Novelty consists in that matrix is formed from drawing, photograph or picture of part by computer processing with introduction of required specifications stipulated by regularities of matrix manufacture and electroplating process. Then mask is made by computer picture, and from mask, printing tool is manufactured. Further, printed on dielectric base (paper, polyethylene, plastic material, etc) by the printing tool, with special inks active to the process of chemical metal deposition, is picture of disposable matrix. Then picture is coated with metal by electroplating in one or several layers, and produced part is separated from matrix. In printing, for instance, circuit boards, part from matrix is not separated. Picture may be negative. Base is used in the form of materials containing catalysts of chemical metal deposition. Novelty also consists in that matrix is formed after preparation of picture by vacuum, thermal or by some other method with height of profile up to 5 mm and curvature radius of not more than 2 mm; or matrix is formed before preparation of picture. In the latter case, picture is applied by special method. EFFECT: reduced manufacture cycle and cost price, higher accuracy and quality. 4 cl

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RU 2 121 531 C1

Authors

Kryshchenko K.I.

Borisov M.B.

Odintsov L.G.

Dzegilenok V.N.

Nejland A.B.

Dates

1998-11-10Published

1995-04-05Filed