Witgain Technology Limited
| Payment Terms | T/T |
| Supply Ability | 100k pcs/month |
| Delivery Time | 10 days |
| Packaging Details | Vacuum bubble bag packaging |
| No of layers: | 2 Layer |
| Board Thickness: | 0.15 MM |
| Material: | FR4 TG>150 |
| Solder mask colour: | Green |
| Surface technics: | ENIG |
| Min Lind Space&Width: | 6/6 mil |
| Brand Name | WITGAIN PCB |
| Model Number | PCB0072 |
| Certification | UL |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 100k pcs/month |
| Delivery Time | 10 days | Packaging Details | Vacuum bubble bag packaging |
| No of layers: | 2 Layer | Board Thickness: | 0.15 MM |
| Material: | FR4 TG>150 | Solder mask colour: | Green |
| Surface technics: | ENIG | Min Lind Space&Width: | 6/6 mil |
| Brand Name | WITGAIN PCB | Model Number | PCB0072 |
| Certification | UL | Place of Origin | China |
| High Light | 0.15 MM Double Layer PCB Board ，Ultra Thin Double Layer PCB Board ，Copper Clad Laminate PCB | ||
2 Layer PCB Printed Circuit Board Ultra Thin Laminate PCB
1 2 Layer FR4 substrate material printed circuit board.
2 ROHS, MSDS, SGS, UL, ISO9001&ISO14001 Certificated.
3 FR4 TG150 material, pcb thickness is 0.15 mm.
4 Green solder mask and white silkscreen.
5 20um copper on each layer.
6 PCB size is 250mm*90mm/800pcs.
7 Surface treatment is immersion gold 1u'.
8 Customized pcb, need customer to send us the gerber file or pcb file.
| 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 |
Q1: What is pcb stiffner?
A1: When working with flexible PCBs there are times when we need certain parts of the flexible printed circuit board to be rigid. We do so by adding mechanical support to parts of the PCB. This mechanical support is called a PCB Stiffener.
Flexible PCBs have many advantages like the capability to bend, twist, and fold. However, it is challenging to add/solder components and interconnects to these boards. A PCB Stiffener can be used to make a part of the board more stable/rigid so that it becomes easier to add/solder components or interconnects to the stiffer parts of the board. PCB stiffeners are usually not an integrated part of the PCB. They are only used to provide mechanical support to certain parts of the board.
Other advantages of PCB stiffeners include the reinforcing of solder joints, an increase in abrasion resistance and better handling of the board for automated pick-and-place component placement and soldering.
PCB stiffeners are usually made from FR4, Polyimide or aluminum. The thickness of FR-4 stiffeners varies from 0.003"(0.08 mm) to 0.125" (3.18 mm). The polyimide stiffeners are available with a thickness of 0.005" (125μm), 0.001" (25μm), 0.002" (50μm), and 0.003" (75μm). Polyimide stiffeners are usually a low-cost alternative to FR-4 as they are punched on a die instead of routed with a drill bit. To get better rigidity and heat sinking properties, aluminum stiffeners are used.
There are two main methods to attached PCB Stiffeners to a flexible PCB - Thermal Bonding and Pressure-Sensitive Adhesives (PSA). The properties and differences of each approach have been highlighted in the table below:
| Thermal Bonding | Pressure Sensitive Adhesives (PSA) |
| Stiffeners are attached to the flex PCB by using heat and pressure | Stiffeners are attached with the flex PCB by only using pressure |
| Stronger Bond | Bong not as strong |
| Used in bonding in IPC class 3 product (Military application, Avionics etc.) | Used in bonding in IPC class 2 product (TV, laptops, Consumer electronics etc.) |
| Higher Cost | Lower Cost |
| Will cause significant damage to the circuit while removing from flex circuit. | Usually removed without damaging circuit, if care is taken while removing. |
| Process take more time | Process takes less time |
Company Details
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
25,000,000-30,000,000
Employee Number:
200~300
Ecer Certification：
Active Member
Witgain Technology Limited was established in 2007. Factories locate in HuiZhou City and marketing locates in ShenZhen City. The total area of two factories is around 10000 square meters. We can offer 2-layer and multi-layer pcb services to our customers, highest to 24 layers and rigid-flex pcb, cer... Witgain Technology Limited was established in 2007. Factories locate in HuiZhou City and marketing locates in ShenZhen City. The total area of two factories is around 10000 square meters. We can offer 2-layer and multi-layer pcb services to our customers, highest to 24 layers and rigid-flex pcb, cer...
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