China Wholesale Electronic Circuit Board Assembly Pricelist - 8 Layer ENIG Impedance Control PCB – Huihe
China Wholesale Electronic Circuit Board Assembly Pricelist - 8 Layer ENIG Impedance Control PCB – Huihe Detail:
Impedance is the combination of capacitance and inductance to hinder the circuit under high frequency signal. Impedance is an AC characteristic, which means it is frequency dependent. In the case of transmitting high-frequency signals, the controlled impedance helps to ensure that there is no significant attenuation of the signal during transmission. In essence, the controlled impedance means that the material characteristics of the substrate match the characteristics of the line / dielectric layer to ensure that the impedance value of the line signal is within the tolerance of the reference value.
Our advantage
1.More than 10 years of impedance manufacturing experience, strictly control wire width and medium thickness
2. Standardize the production process to ensure strict impedance tolerances
3. Complete product certification and factory system certification
Application
Medical electronics,Industrial Control,ocean engineering
Certifications
UL,ISO13485,ISO9001,OHSAS18001
Factors affecting impedance
- Dielectric thickness: is the most important factor affecting PCB impedance value
- Line width / line spacing: increase the line width to reduce the impedance, and reduce the line width to increase the impedance.
- Copper thickness: decrease the line thickness, increase the impedance, increase the line thickness, and reduce the impedance
- Dielectric constant:Increasing the dielectric constant can reduce the impedance, and decreasing the dielectric constant can increase the impedance. The dielectric constant is mainly controlled by the material
Manufacturing experience in impedance control field
With more than 10 years of PCB impedance manufacturing experience, Huihe Circuit Engineering Technology Department has developed several key processes to ensure better impedance control in engineering, material control and manufacturing centers.
- Impedance modeling software and impedance testing hardware
Huihe Circuit uses impedance modeling software and impedance testing hardware to meet your impedance control requirements. Polar’s “speedstack” and “CITS” toolsets combine high-quality field solutions and a comprehensive material library to ensure that your design can be a success once and for all.
- Incoming inspection and supplier management process
In cooperation with major suppliers, the feeding process ensures consistent performance with the received raw materials (laminates, PP, copper foil).
- Laser direct imaging equipment
The LDI equipment avoids line width changes due to dry film expansion/contraction, and at the same time produces a clearer image on the copper surface, resulting in higher accuracy in line etching.
- Etching equipment configuration
Once the impedance control PCB has been exposed to development it must be put into an etching machine for etching. The etcher must accurately set the parameters such as speed, temperature, pressure, nozzle direction and Angle to minimize side erosion. With many years of experience in the printed circuit board industry, Hui He Circuit has developed a mature etching process to ensure that customers require strict impedance tolerances.
Product detail pictures:
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The shopper satisfaction is our primary focus on. We uphold a consistent level of professionalism, quality, credibility and repair for China Wholesale Electronic Circuit Board Assembly Pricelist - 8 Layer ENIG Impedance Control PCB – Huihe , The product will supply to all over the world, such as: Cambodia, Ghana, Georgia, We have exported our products all over the world, especially the USA and European countries. Furthermore, all of our products are manufactured with advanced equipment and strict QC procedures to ensure high quality.If you are interested in any of our products, please don't hesitate to contact us. We will try our best to meet your needs.
By Frederica from Burundi - 2017.01.28 19:59
The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
By Christopher Mabey from Hanover - 2017.03.07 13:42