Automotive electronics
PCB products in quality and quantity, continue to tilt to the high-tech field, enterprises in technology research and development investment will continue to increase.
Professional PCB manufacturing and assembly
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5G consumer electronics accelerated upgrade, PCB industry will usher in a new wave of climax
According to Prismark statistics, mobile terminal PCB demand is mainly HDI and flexible board (HDI board accounts for about 50.68%), and has 26.36% packaging substrate demand.
Why do PCBS now have halogen requirements?
When PCB is used for hot air leveling and component welding, the board is subjected to high temperature (> 200), will also release trace amounts of hydrogen bromide。
Ultra-fine line etching process of PCB for next generation packaging technology
Circuit board system interconnection includes chip to circuit board, PCB board interconnection and signal input/output between PCB and external devices.
Especially important signal lines or local units to implement ground encircling
A combination of ultra-fine wire etching, metallization, and microporous interconnect processes enables the fabrication of an array of cop-per stud with a diameter of 35 micron.
Interesting topic
The UV laser precisely cuts the blind slots of the target layer separated from the multilayer circuit board. In this area, the target layer cannot form a connection with the material covered above it.
FPC material properties
In addition, bismale PI's friction and wear characteristics are also extremely superior, and it can also have a certain degree of wear resistance for applications that are easy to wear.
Just adagio (soft and hard combined board) knowledge
For the sticker tantalum capacitor, it is generally three capacitors on the circuit board, the left side is negative, the right side is positive. The middle one is the most vivid.
Why should expired PCB be baked before SMT or furnace?
a large number of pre-test printing solder paste production several pieces to determine no solder problems before continuing to production.
Blind hole board fabrication knowledge of circuit board
Notice When the laser holes and the inner buried holes are inserted together, that is, the holes of the two drilling belts are in the same position, you need to move the laser holes to ensure electrical connection.
PCB copper foil supply after chip shortage
A persistent semiconductor shortage is rapidly snowballing into a full-blown component shortage, underscoring the fragility of the current supply chain.
Why is the common PCB board thickness 1.6mm
as PCB substrate epoxy resin (see the column of PCB substrate resin chapter), PCB substrate reinforcement materials, copper foil and other manufacturing technologies have not realized commercial production.
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