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Company Advantages
1. thick copper pcb is carefully designed by professionals. It is smooth in lines, elegant in style and natural in color. It can be matched with different costumes, which is deeply loved by consumers.
2. The product has been tested to be in compliance with many quality norms.
3. Third-party test data of the product reflects its eligibility.
4. Having no need to sun drying to a certain extent, the food can be directly put into this product to dehydrate without the worry that the water vapor will damage the product.
5. The product is not vulnerable to breakage (not contain glass), unlike the traditional lighting bulbs, so users are worry-free to utilize it.

Impedance is the combination of the capacitance and inductance of a circuit when operated at high frequency. Control impedance in printed circuit boards are used across a broad range of applications to help ensure high signal integrity. Basically there are usually three types of impedance in PCB designs like single-ended impedance, differential impedance and coplanar impedance.

The factors affect impedance include: impedance trace width/spacing, copper thickness, dielectric thickness on either side of the impedance traces, dielectric constant of the core and prepreg material etc.

The applications of impedance control PCB include RF communication, Signal processing, High quality analog video, Computing 100MHz and above, Telecommunications and so on.

A large proportion of multilayer PCBs that A-TECH manufactured are with impedance control requirements, normally we will calculate impedance based on stack up and gerber designs to match with specified impedance values, our engineering dept might do necessary adjustments on stack up or impedance trace width/spacing if there is any mismatch after calculation. Moreover, the impedance coupons will be placed in each working panel which use for testing impedance values before shipment.

Company Features
1. A-TECH CIRCUITS Co., Ltd. is a Chinese company specializing in design, production and sales.
2. Our products are flourishing in the overseas markets. We have invested more in R&D, creating more targeted products for different countries. Now, we are winning more overseas market share.
3. A-TECH CIRCUITS Co., Ltd. has demonstrated a good image of social responsibility. Ask! Regarding 2oz copper pcb as the source power has been driving us to improve better. Ask! In recent years, A-TECH CIRCUITS Co., Ltd. adhered to the concept of innovation and development, vigorously promoted the optimization of thick copper pcb . Ask!