Witgain Technology Ltd
| Payment Terms | T/T |
| Supply Ability | 1kkpcs/month |
| Delivery Time | 12 work days |
| Packaging Details | 40pcs/bag, 20bags/carton |
| PCB Type | High Frequency PCB |
| Material | Rogers RO4350B |
| Layer Count | 2 Layer |
| Copper Thickness | 1/1OZ |
| Surface Treatment | ENIG |
| Min Hole | 0.5MM |
| Min Trace | 21.6/6Mil |
| Brand Name | WITGAIN PCB |
| Model Number | S02E4678A0 |
| Certification | UL Certificate |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1kkpcs/month |
| Delivery Time | 12 work days | Packaging Details | 40pcs/bag, 20bags/carton |
| PCB Type | High Frequency PCB | Material | Rogers RO4350B |
| Layer Count | 2 Layer | Copper Thickness | 1/1OZ |
| Surface Treatment | ENIG | Min Hole | 0.5MM |
| Min Trace | 21.6/6Mil | Brand Name | WITGAIN PCB |
| Model Number | S02E4678A0 | Certification | UL Certificate |
| Place of Origin | China | ||
| High Light | RO4350B 2 Layer PCB ，ENIG 2 Layer PCB ，1.0MM 2 Layer PCB | ||
2 Layer Rigid Printed Circuit Board , High Frequency Rogers RO4350B Material
PCB Specifications:
Layer Count: 2 Layer Rigid PCB
Material: RO4350B Quick-Reference-Processing-Guidelines-RO4003C-RO43...
Board Thickness: 1.0MM
Min Hole: 0.5MM
Unit Size: 109MM*92MM/1SET
Surface Treatment: ENIG
Capabilities:
| NO | Item | Capability |
| 1 | Layer Count | 1-24 Layers |
| 2 | Board Thickness | 0.1mm-6.0mm |
| 3 | Finished Board Max Size | 700mm*800mm |
| 4 | Finished Board Thickness Tolerance | +/-10% +/-0.1(<1.0mm) |
| 5 | Warp | <0.7% |
| 6 | Major CCL Brand | KB/NanYa/ITEQ/ShengYi/Rogers Etc |
| 7 | Material Type | FR4,CEM-1,CEM-3,Aluminum,Copper, Ceramic, PI, PET |
| 8 | Drill Hole Diameter | 0.1mm-6.5mm |
| 9 | Out Layer Copper Thickness | 1/2OZ-8OZ |
| 10 | Inner Layer Copper Thickness | 1/3OZ-6OZ |
| 11 | Aspect Ratio | 10:1 |
| 12 | PTH Hole Tolerance | +/-3mil |
| 13 | NPTH Hole Tolerance | +/-1mil |
| 14 | Copper Thickness of PTH Wall | >10mil(25um) |
| 15 | Line Width And Space | 2/2mil |
| 16 | Min Solder Mask Bridge | 2.5mil |
| 17 | Solder Mask Alignment Tolerance | +/-2mil |
| 18 | Dimension Tolerance | +/-4mil |
| 19 | Max Gold Thickness | 200u'(0.2mil) |
| 20 | Thermal Shock | 288℃, 10s, 3 times |
| 21 | Impedance Control | +/-10% |
| 22 | Test Capability | PAD Size min 0.1mm |
| 23 | Min BGA | 7mil |
| 24 | Surface Treatment | OSP, ENIG,HASL, Plating Gold, Carbon Oil,Peelable Mask etc |
FAQ:
Question: What is PCB Etch Factor?
Answer: PCB Etch Factor or etch compensation is an etching process modification used by the PCB manufacturers to decide the extent and accuracy of etching. It helps the designers and manufacturers decide the minimum etching allowance on the track width. During etching, unwanted copper is removed gradually from the PCB surface to realize the desired conductive track. For instance, if a PCB design requires a track width of 0.25 mm, then the manufacturer has to initiate etching if the track width is more than 0.25 mm. The amount by which the track width is increased is called etch factor. It is proportional to the copper weight required to be removed. More copper to be removed indicates a higher value of the etch factor.
No etching process gives perfect straight cuts, they always create undercut, an etching defect, which can be seen in the figure below.
In mathematical terms, an etch factor is the ratio of track width to the amount of undercut. The PCB CAD designer has to provide enough spacing in the design so that a manufacturer is able to utilize that space to start etching with a little wider track. The minimum spacing in the design must meet the manufacturer’s decided minimum space.
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
20000000-25000000
Employee Number:
300~350
Ecer Certification：
Active Member
Witgain Technology Ltd was established in 2007 in ShenZhen City. After over 10 years development, the company now posses two factories. One factory located in HuiZhou City which is near to ShenZhen. The other one locates in JiangXi Province. Marketing dept still locates in ShenZhen City. ... Witgain Technology Ltd was established in 2007 in ShenZhen City. After over 10 years development, the company now posses two factories. One factory located in HuiZhou City which is near to ShenZhen. The other one locates in JiangXi Province. Marketing dept still locates in ShenZhen City. ...
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