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HDI with Impedance Control Circuit Board

HDI with Impedance Control Circuit Board

DI with impedance control circuit board 1.Product Description HDI or High Density Interconnector is a new technology often used in multi-layer Printed Circuit Board (PCB) design. HDI PCBs are printed circuit boards(PCB) on a substrate with a much higher wiring density per unit area and pad...

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HDI with impedance control circuit board

1.Product Description

图片133_副本.jpg 

Specification:
Layer: 6  
Board Thickness: 1.6 mm
Surface treatment: immersion gold.
Material: FR4 .
Min line width/line distance:7/4.7mil
Min hole:0.4mm
Special technology:impedance control,HDI 

HDI or High Density Interconnector is a new technology often used in multi-layer Printed Circuit Board (PCB) design. HDI PCBs are printed circuit boards(PCB) on a substrate with a much higher wiring density per unit area and pad connection density than a traditional PCB. Due to the increasing market demand for HDI PCB manufacturing, we at Bittele Electronics have served clients from more and more different industries, including:

●,Automotive (Engine Control Units, GPS, Dashboard Electronics)

●,Computers (Laptops, Tablets, Wearable Electronics, Internet of Things - IoT)

●,Communication (Mobile phones, Modules, Routers, Switches)

●,Digital (Cameras, Audio, Video)

2.Our service 

1)We will always on line to help you,our technicians are experienced in PCB,they will support all technical requirements from prototype to volume.
2)We have sales assistants to follow the EQ and goods that will reduce your lead time.and we can delivery the goods to the closest location to your production sites.
3)There will be some one to handle claims, investigate faults, find solutions, communicate with factory to analyse claims, produce reports,follow up corrective action report,handle internal claims (8D report)

3.Primary competitive advantages:

●,Origin

●,Experienced Staff

●,Green Product

●,Guarantee/Warranty

●,International Approvals

●,Packaging

●,Product Features

●,Product Performance

●,Prompt Delivery

●,Quality Approvals

●,Reputation

●,Professional Service

●,Small Orders Accepted

4.Products application 

Uniwell Circuits has set up a powerful R & D team to improve its technology capability, our product are widely used in many areas.

图片134_副本.jpg

5.What is Lead Free Solder? 

1)What is it?
Similar in appearance and use as Leaded Solder.  Contains a mix of 99.3% Tin and 0.6% Copper.  It may be referred to as SN100CL.
The temp at which it flows is around 515 degrees as compared to around 485 for Leaded Solder.
It is a shiny silver colored finish.
Surface mount pads are very uniform and flat with this finish. 

2)Why is it used?
It is used as a replacement for Leaded Solder where a lead free application is called for.
CAUTION: The customer may need to use a higher temp laminate to accommodate the higher temperature of the finish.  They could use 370HR or another high temp material 

3)What is the process to apply the finish?
The typical process is HAL (Hot Air Leveler).  The boards are dipped into a tank of molten solder and then air knives blow off the excess solder.  It is applied after the soldermask has been applied. 

4)What are the critical measurements?
Again the same as leaded solder the thickness is not measured.  The IPC standard is visual coverage of the copper.

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