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A-TECH hot-sale osp pcb free delivery at discount

A-TECH hot-sale osp pcb free delivery 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
Get Latest Price
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Quantity Needed:
Pieces
E-mail:
Product Comparison
A-TECH's Aluminum PCB has the following advantages over products in the same category.
Product Details
A-TECH's Multilayer PCB has excellent performances by virtue of the following excellent details.
Company Advantages
1. A-TECH pcb gold plating is produced in the course of a sustainable and unique revolution, without involving harmful or toxic substances.
2. pcb gold plating has no pollution to environment which is more eco-friendly.
3. Compared with the other similar products, osp pcb is worth popularizing for use due to pcb gold plating .
4. One of the most important factors that our osp pcb has been deeply trusted is quality.
5. A-TECH CIRCUITS Co., Ltd. independently researched and developed key technology to ensure the quality of osp pcb .


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 PCB 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. Now, A-TECH CIRCUITS Co., Ltd. has occupied a large share of osp pcb market.
2. Our production base is located in a state-supported industrial zone, with numerous industrial clusters around. This enables us to have easy access to raw materials at lower prices.
3. With core competencies in immersion tin pcb , A-TECH CIRCUITS Co., Ltd. will never let you down. Check it! A-TECH CIRCUITS Co., Ltd. will boldly forge ahead to build a better world. Check it! Sustainable development for A-TECH CIRCUITS Co., Ltd. is what we are striving for. Check it!
A-TECH osp 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 will not influence the taste of beer by creating a confined space
The production of A-TECH immersion tin 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. The product is easy to clean and maintain with a damp cloth
High-tech processing equipment is used in the production of A-TECH osp 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 tin 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 made of AISI 304 food-grade stainless steel, which contains no toxic substances
A-TECH immersion tin 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. It can be provided with a spear and coupler
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