Factory making Fingerprint Rigid-Flex Pcb - HDI Green Soldermask flex-rigid Board – Yongmingsheng

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Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of employees building, striving hard to boost the standard and liability consciousness of staff members. Our corporation successfully attained IS9001 Certification and European CE Certification of Hdi Pcb, Special Design Pcb, 2layer Alu Core Pcb, Welcome worldwide customers to contact us for business and long-term cooperation. We will be your reliable partner and supplier.

Factory making Fingerprint Rigid-Flex Pcb - HDI Green Soldermask flex-rigid Board – Yongmingsheng Detail:

Immersion Gold

Immersion Gold is the method of chemical deposition, through the chemical REDOX reaction to generate a layer of coating which is generally thick, is a chemical nickel gold layer deposition method, can achieve a thicker gold layer.

The process of Immersion Gold on the surface of printed circuit is characterized by stable color, good brightness, smooth coating and good weld ability. Basically, it can be divided into four stages: pre-treatment (oil removal, micro-corrosion, activation and leaching), nickel precipitation, gold precipitation, post-treatment (waste gold water washing,DI washing, drying), gold precipitation thickness between 0.025-0.1um.

Gold used in the surface treatment of circuit boards, because of its strong electrical conductivity, good oxidation resistance, long life, general applications such as keypad, gold finger board.

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We normally think and practice corresponding on the change of circumstance, and grow up. We aim at the achievement of a richer mind and body and also the living for Factory making Fingerprint Rigid-Flex Pcb - HDI Green Soldermask flex-rigid Board – Yongmingsheng , The product will supply to all over the world, such as: Algeria, Cambodia, Tanzania, We have been persisting in the business essence "Quality First, Honoring Contracts and Standing by Reputations, providing customers with satisfying goods and service. " Friends both at home and abroad are warmly welcome to establish everlasting business relations with us.

2layer Pcb