Bigger size 4-Layer FR4 PCB Board, the unit size is 530mm*476mm. We use FR4 TG150 material.about the outline we make routed and V-cut and the surface treatment is Immersion Gold.Min. Line Width/Min. Line Spacing: 0.15/0.2mm; With Single-terminal and differential Impedance Control.
The type of Printed Circuit Board used for industrial control.
Most of the rigid PCB boards are made of FR4. There are FR4 S1000-2(TG170), FR4 IT180(TG180),FR4 IT158(TG150), FR4 KB6160(TG135) and other materials in our warehouse.
FR4 PCB Board LED PCB Board,FR4 PCB Board,FR4 Printed Circuit Board,PCB Board Orilind Limited Company , https://www.orilind.com
German precision instruments said that 82% of its sales come from foreign markets. Among them, the company continues to strengthen its market leadership in LED testing. In addition, the company has signed important sales contracts with well-known manufacturers of personal computers and consumer electronics. It is the key to performance growth.
Richard Distl, founder and president of the company, stressed that the growing use of the LED industry, display measurement and general lighting is the main driver of the company's significant growth. And look forward to continue to maintain strong growth, and promise to provide customers with products and services as always.
The German precision instrument manufacturing company offers a comprehensive range of optical measurement products for industrial and technical research, including high performance array and scanning spectrometers as well as imaging photometers and colorimeters. These devices are mainly used for the measurement of LEDs and their displays, as well as for spectroradiometric and photometric measurements.
The company is also one of the leading manufacturers of spectral optical measurement systems. Its innovative test system at its Munich plant measures all optical parameters, provides accurate and reliable test data, and meets the recommendations of the International Commission on Illumination and Lighting (CIE). 
German instrument company's fiscal year performance increased by 112%
[Intelligent LED News] German Precision Instrument Manufacturing Company (Instrument Systems GmbH) announced that from June 2010 to June 2011, the company's fiscal year sales increased from 10.3 million euros in the fiscal year from June 2009 to June 2010. To 21.9 million euros, the growth rate is as high as 112%.