SMT patch processing what solder paste:First, there are lead and lead-free solder paste, two, high temperature solder paste, medium temperature solder paste, low temperature solder paste, three, tin powder particle size
SMT machining components are repaired: 1. Chip components welding disassembly, 2. Pad cleaning, 3. Assembly and welding of chip components
First, clean up the soldering iron head, second, fast: before the flux on the solder evaporates, to complete all the welding work, three, quasi: when sticking the components, be sure to let the components as close to the tip of the iron head position, fou
How to improve the welding hole of PCBA:(1) The PCB and parts will be exposed in the air for a long time to avoid moisture, (2) control the welding paste with moisture, It is very easy to cause skin pores and tin beads, (3) the environmental humidity cont
Circuit board testing and printing pcb circuit boards are initially applied in paper-based copper-covered circuit boards. Since the appearance of semiconductor material audion in the 50's of the 20th century, the demand for circuit boards has increased si
How to ensure the quality of the patch: 1. Strict SOP production process control; 2. Professional technical team; 3. Complete incoming material inspection and confirmation process; check PCB and materials; 4. PCBA new machine type production project team;
Measures to reduce the tin residue of PCBA tin beads: 1, attach importance to the production of steel mesh, combined with the specific component layout of PCBA board, appropriately adjust the size of the opening, so as to control the printing amount, 2, b
How does PCBA improve product quality: (1) strengthen routine maintenance of machines, (2) requirements for equipment operators, and (3) develop measures to reduce or avoid errors
Learn about the factors that affect the appearance quality of the solder choke：1, printing: photoresistance welding ink screen printing process, blade flatness, environmental purification, screen printing using barrier tape and ink printing pressure will
First, according to the use effect to judge the quality of smt red glue two, according to the welding situation to see smt red glue, three, according to the word of mouth to judge smt red glue, and the best way is to try
How to choose SMT patch processing machine: first, accuracy, second, stability, third, durability, fourth, easy maintenance
How to ensure the quality of PCB processing: one: pressure (patch height) - patch pressure (height) should be appropriate, two: correct components - required assembly position number, three: accurate position - the end or pin of the components and pad gra
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