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A-TECH high quality enig pcb bulk production at discount

A-TECH high quality enig pcb bulk production at discount

Thickness
≥1.0um
Shelf Life
6 Months
Solderability
Good
RoHS Compliant
Yes
Additional Cost
Yes
Supply Capacity
5000 ㎡/Month
Certifications
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Standard
IPC CLASS 2 / CLASS 3
Price
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Quantity Needed:
Pieces
E-mail:
Application Scope
A-TECH's Aluminum PCB is widely applicable in the industry.With rich manufacturing experience and strong production capability, A-TECH is able to provide professional solutions according to customers' actual needs.
Company Advantages
1. A-TECH silver coating pcb has been certified under some important certificate. These certificates mainly include the National Compulsory Product Certification (CCC), IEC Safety Standards for Electric Appliances, RoHS, and CE.
2. Our quality controllers are responsible for continuous small changes to keep production within the specified parameters and to ensure product quality.
3. The quality of the product is guaranteed by our state-of-the-art facilities and advanced technology. Its quality has passed the strict test and is examined frequently. Thus its quality has been widely accepted by the users.
4. The growth of sales strongly indicates the wider market application of the product in the future.
5. As a famous brand, A-TECH is skilled at producing enig pcb with high quality.


Immersion Tin, or Chemical Tin, it’s a RoHS Compliant metallic finish deposited by a chemical displacement reaction that is applied directly over the basis metal of the circuit board, the immersion Tin protects the underlying copper from oxidation over it’s intended shelf life, copper and tin however have a strong affinity for one another, the diffusion of one metal into the other will occur inevitably, directly impacting the shelf life of the deposit and the performance of the finish. The negative effects of tin whiskers growth are well described in industry related literature and topics of several published papers.

The typical thickness of Immersion Tin is ≥1.0UM and the shelf life is 6 months. The cost of Immersion Tin is more expensive than HASL but less expensive than Immersion Gold and close to Immersion Silver. Similar to Immersion Silver, Immersion Tin is also sensitive in handling and storage, it requires PCB manufacturers to control and pack PCBs with Imm Tin more carefully.



The advantages of Immersion Tin

● Excellent flatness
● Mid range cost for lead free finish
● Good for fine pitch / BGA / smaller components
● Top choice for press fit technology
● Reworkable



The disadvantages of Immersion Tin

● Very sensitive to handling – gloves must be used
● Exposed Tin on final assembly can corrode
● Not good for multiple reflow/assembly processes
● Aggressive to soldermask – soldermask dam should be more than 5mil
● Baking prior to use can have a negative effect



A-TECH is capable of using Immersion Tin, we make the profile and electrical test before the process of Immersion Tin finish, and we use papers to separate each piece of boards to avoid scratches during package and transportation.




Company Features
1. A-TECH CIRCUITS Co., Ltd. is sophisticated in manufacture high quality enig pcb products.
2. We have an excellent team of customer service professionals. They are excel at effective communication with clients. They not only listen to clients' needs but also actively concern clients' feedback around current products and services, and generate ideas on how to make improvements.
3. A-TECH CIRCUITS Co., Ltd. is committed to provide satisfactory services to the clients. Get quote! We can supply a abundant of immersion silver pcb with high quality. Get quote! A-TECH has been holding the principle of serving customers in the high-end standard. Get quote!
A-TECH enig pcb is produced under strict scrutinization. It is checked for its material ingredients as well as material extraction methods to guarantee its quality. The product is extremely durable and can withstand a high collision
The production of A-TECH silver coating pcb covers a few steps. The rough concentrate is deeply processed at first to extract some useful ingredients, then the concentrate is further ground for higher purity. It can keep beer fresh for weeks as it completely isolates negative factors from the beer
High-tech processing equipment is used in the production of A-TECH immersion silver pcb. It is done under the detritus equipment, grinding equipment, as well as sand-making equipment, which can guarantee high purity and fineness. The product is suitable to be applied in the food & beverage factory, restaurant, and bar
The raw materials of A-TECH immersion silver pcb are treated with several procedures. Materials enrichment, refining, and smelt process will be conducted to make the materials into a product with high purity. The product is extremely durable and can withstand a high collision
A-TECH silver coating pcb will go through several manufacturing stages. First, the raw materials will be crushed and ground, then they are separated and concentrated to separate the waste ingredients out. 卖点、特色句]
The product is superior in quality and reliable in performance. The product undergoes the pickling and passivation process to have a glossy surface
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