All posts by Alice

086 月/22

Use of solder paste

8 6 月, 2022Post5一10℃, Cleaning, laser steel, Not to be recycled, patch glue, prevent condensation, reflow soldering, refrigerator, Solder Paste Repair, stainless steel stirring rod, Use of solder paste, with finger cotsAlice

1. Must be stored at 5-10°C. 2. It iRead More…

026 月/22

Printing and Solder Paste Quality Considerations

2 6 月, 2022PostBlock SMT, contamination, demoulding speed, lack of print, PCB alignment accuracy, print quality, printing, process window, Scraper speed, Small size pad, solder paste, Squeegee pressure, Steel mesh openingAlice

1. The single process parameters of Read More…

315 月/22

SMT scraper classification form and function

31 5 月, 2022Postlatex mesh, Metal Laser Stencil, PCB pads, polyethylene, rhombus and drag skirt, Scraper hardness, SMT scraper, Solder paste stripsAlice

1. There are two types of scrapers: Read More…

275 月/22

Notice on the Dragon Boat Festival holiday of R.Q.S in 2022

27 5 月, 2022Daily NEWSorigin, the Dragon Boat FestivalAlice

The origin of the Dragon Boat FestivRead More…

275 月/22

Printing machine printing is not fixed offset processing method

27 5 月, 2022PostBACKUP PIN, control box, Hard disk abnormality, Laser Stencil, Motor, nextmove card, PCB thickness, printing press, Printing press manufacturers, reinstall the system, slot, system softwareAlice

1. Observe the recognition of the MARead More…

245 月/22

SMT placement process

24 5 月, 2022PostCleaning, Components, Curing, curing oven, Dispenser, flux, Inspection, Laser Stencil, microscope, Mounter, mounting, Pad, Reflow oven, reflow soldering, Rework, rework station, Silk printer, Silkscreen, SMT patch steel mesh, SMT placement process, solder paste, washing machineAlice

The basic process components of SMT Read More…

205 月/22

The process of SMT patch red glue

20 5 月, 2022PostComponents, craft, Dispensing, glue point, Laser Stencil, needle film, Needle rotation, printing method, SMT patch red glueAlice

1. Printing method: The laser stenciRead More…

165 月/22

Mark’s processing method in the SMT placement process

16 5 月, 2022PostAfter engraving, black glue, Fully automatic printing machine, Laser Stencil, Mark Graphics, PCB, SMT patchAlice

The Mark graphic on the laser stenciRead More…

115 月/22

Solutions for LED Epitaxial Wafer Growth Process

11 5 月, 2022PostBody Growth, Crown Growth, crystal growth, Cutting, diode, epitaxial wafer, Epitaxy, Growth of silicon crystal pillars, Ingot diameter, LED epitaxial wafer, LPE, MBE, MOCVD, neck growth, Tail GrowthAlice

The growth process of LED epitaxial Read More…

095 月/22

Introduction to SMT Lead-Free Solder

9 5 月, 2022PostComponents, Conductivity, flux, good mechanical properties, low melting point, Non-toxic or very low toxicity, pad table, PCB, SMT lead-free solder, Sn-Ag based solder, sn-based alloy, Sn-Bi based solder, Sn/Pb solder, Thermal conductivity, welding equipmentAlice

1. Development trends of lead-free sRead More…