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A-TECH high quality osp pcb bulk production for wholesale

A-TECH high quality osp pcb bulk production for wholesale

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:
Enterprise Strength
  • A-TECH has a professional customer service center for orders, complaints, and consultation of customers.
Product Details
A-TECH strives excellent quality by attaching great importance to details in the production of PCB prototype.
Company Advantages
1. The design of A-TECH hasl pcb finish involves several stages. They are trend studies, fabric and accessory research, sample making, etc.
2. The product is fire resistant. It limits the spread of fire by containing it within designated spaces or zones and preventing structural collapse.
3. A-TECH CIRCUITS Co., Ltd. has skilled artificial production lines, experienced high-quality technical backbones and management talents.


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. has been committed to manufacturing osp pcb when it was built.
2. In order to meet up with market's high demands, A-TECH CIRCUITS Co., Ltd. set up professional R&D base.
3. With lofty vision, A-TECH will maintain improving in creating pcb mask. We will try to enter into the global market to be a famous enig pcb manufacture brand. Call now! A-TECH CIRCUITS Co., Ltd. currently has gained the recognition of more clients because of the high excellent service. Call now! In today’s global competition, A-TECH's vision is to be a famous brand all over the world as a immersion gold pcb manufacturing. Call now!
The quality of A-TECH enig pcb is verified. It is tested in terms of specifications, functions, and safety with relevant standards such as EN 581, EN1728, and EN22520. Rayson non woven fabric are of good quality with competitive price
A-TECH hasl pcb finish is manufactured with the integration of various aspects. It is built with an energy flow system (EFC), information flow system, mechanical structure system, and mechanical motion system. Rayson non woven fabric can also be recycled
The necessary inspections of A-TECH pcb mask have been conducted. These inspections include moisture content, dimension stability, static loading, colors, and texture. Rayson products are certified to SGS and Oekotex
Combining traditional crafts with a constantly changing collection of designs, a variety of A-TECH immersion gold pcb styles are available for customers to choose from. Rayson non woven fabric are produced by fresh raw materials imported from Exxon, Basell companies and other famous suppliers
The materials of A-TECH enig pcb have passed various kinds of tests. These tests are fire resistance testing, mechanical testing, formaldehyde content testing, and stability & strength testing. The materials for making the non woven fabric are non-toxic
A-TECH CIRCUITS Co., Ltd. There are professional raw material procurement agency partners who can purchase the required raw materials efficiently and at low prices to ensure the quality of raw materials, in addition to reasonable arrangements for the production process, improve the utilization rate of equipment, and use materials, Improvement of operating procedures, production conditions, etc., increase labor productivity, reduce labor consumption per unit of product, and at the same time establish the concept of "improving quality and reducing cost", reducing waste loss, product after-sales maintenance costs and other intangible losses, through various channels and methods Carry out scientific and standardized control of costs, reasonably save costs, reduce product market prices, and improve product cost performance under the premise of ensuring enig pcb quality remains unchanged.
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