Factory directly Rigid-Flex Circuits - OEM China China Multilayer HDI Differential Impedance PCB with Immersion Gold – Yongmingsheng

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Our products are broadly regarded and reliable by end users and can meet up with constantly transforming financial and social requires of Muti-Pcb, Thermoelectric Separation Car Copper Base Pcb, Lead Free Hasl, In our efforts, we already have many shops in China and our products have won praise from customers worldwide. Welcome new and old customers to contact us for the future long term business relationships.

Factory directly Rigid-Flex Circuits - OEM China China Multilayer HDI Differential Impedance PCB with Immersion Gold – Yongmingsheng Detail:

To create much more benefit for consumers is our company philosophy; customer growing is our working chase for OEM China China Multilayer HDI Differential Impedance PCB with Immersion Gold, We warmly welcome all point of view inquiries from your home and abroad to cooperate with us, and look forward to your correspondence.
To create much more benefit for consumers is our company philosophy; customer growing is our working chase for China 8 Layer PCB, Multilayer Pcb, We believe in establishing healthy customer relationships and positive interaction for business. Close cooperation with our customers has helped us to create strong supply chains and reap benefits. Our products and solutions have gained us widespread acceptance and the satisfaction of our worldwide valued clients.

HDI Board production process:

At present, HDI board interconnection between layer and layer is mainly the following design: Staggered holes interconnection, Cross-layer interconnection, ladder interconnection and superposition holes interconnection. Among them, the superposition holes interconnection occupy the least space. There is a research suggests that reducing the number of through holes and increasing the number of blind holes can effectively improve the wiring density. And in the superposition interconnection, the methods of electroplating and resin plug are mainly used, especially the electroplating hole filling method which has more obvious advantages like high reliability and good conduction performance. Therefore, superposition interconnection is the most widely used design method for blind holes design. The process of stacking between layers is as follows: first blind hole is made, then second blind hole is made after lamination, then multi-blind hole is made according to this method, and the interconnection between layers is realized by electroplating hole filling method.

On the whole, the production process of HDI plate is complex, which needs to be completed after many times of production for a long time. It’s not only high requirements for the accuracy and shrinkage control of each layer, but also high standards in materials, equipment, environment and technical personnel.

YMS HDI PCB manufacturing capabilities:

YMS HDI PCB manufacturing capabilities overview
Feature	capabilities
Layer Count	4-60L
Available HDI PCB Technology	1+N+1
	2+N+2
	3+N+3
	4+N+4
	5+N+5
	Any layer
Thickness	0.3mm-6mm
Minimum line Width and Space	0.05mm/0.05mm(2mil/2mil)
BGA PITCH	0.35mm
Min laser Drilled Size	0.075mm(3nil)
Min mechanical Drilled Size	0.15mm(6mil)
Aspect Ratio for laser hole	0.9:1
Aspect Ratio for through hole	16:1
Surface Finish	HASL, Lead free HASL,ENIG,Immersion Tin, OSP, Immersion Silver, Gold Finger, Electroplating Hard Gold, Selective OSP，ENEPIG.etc.
Via Fill Option	The via is plated and filled with either conductive or non-conductive epoxy then capped and plated over
	Copper filled, silver filled
	Laser via copper plated shut
Registration	±4mil
Solder Mask	Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte green.etc.

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Our organization sticks to your principle of "Quality may be the life of your organization, and reputation will be the soul of it" for Factory directly Rigid-Flex Circuits - OEM China China Multilayer HDI Differential Impedance PCB with Immersion Gold – Yongmingsheng , The product will supply to all over the world, such as: Palestine, Palestine, Grenada, The president and all the company members would like to provide professional products and services for customers and sincerely welcome and cooperate with all native and foreign customers for a bright future.

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The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!