Hot sale 2layer Flex-Rigd - HDI Green Soldermask flex-rigid Board – Yongmingsheng

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We can easily normally satisfy our respected buyers with our excellent high-quality, excellent selling price and good service due to we've been far more expert and more hard-working and do it in cost-effective way for Aluminium Metal Core Pcb, Ultra-Thin Range Hood Pcb, No Lead Hal Printed Circuit Board, Warmly welcome to cooperate and develop with us! we are going to continue to provide product or service with high quality and competitive rate.

Hot sale 2layer Flex-Rigd - 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 always work as a tangible team to ensure that we can provide you with the best quality and the best price for Hot sale 2layer Flex-Rigd - HDI Green Soldermask flex-rigid Board – Yongmingsheng , The product will supply to all over the world, such as: Provence, Portugal, Sacramento, After years of development, we have formed strong ability in new product development and strict quality control system to ensure excellent quality and service. With the support of many long term cooperated customers, our products are welcomed all over the world.

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Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.

By Alma from Peru - 2018.11.02 11:11

The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!

By Athena from Auckland - 2018.06.30 17:29

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