Guangruitai Electronics has 13 years of experience in crystal oscillator technology services and has served over 100 customers. How to carry out foreign trade business in electronic manufacturing services.
At least 5 years of experience in SMT chip mounted crystal oscillator technology, and priority should be given to providing feedback to customers in case of abnormal material conditions.
At least 5 years of experience in SMT (board) assembly business, able to independently provide quotations and conduct irregular research and development of new customers.
Proficient in the SMT processing and assembly process, as well as basic knowledge of PCB manufacturing, familiar with commonly used electronic components.
Having work experience in the SMT welding processing industry is a priority, skilled in improving work habits and enhancing overall competitiveness based on PCBA board projects.
SMT chip processing design (1) Check the design before assembly and clean the PCB after assembly;
● Cleaning process after assembly: disassembly, MATH, PI, LDI, backlight and ordinary devices, and soldering treatment after assembling the bare PCB board;
● Functional PCB design confirmation: Determine whether the PCB schematic and PCB design are the same, and arrange the pins of PCB devices;
Batch confirmation: Confirm the spacing between component packaging and substrate, the packaging of packaging and other devices, pin spacing, and the model of packaging and other devices.

● Successful cases: (1) By using PCBA template to mount BOM, electronic components were inserted into the entire set of layers on the PCB board; (2) Utilize assembly of substrate fasteners, mounting of electronic components, curing, etc; (3) Independently complete around 3000 chip components on the PCBA board, up to all components.
● Equipment and raw materials: PCB board substrate, fiberglass board, double-sided tape, conventional substrate, hard board, metal substrate, embedded lead-free tin spraying, etc;
Skills: Technical requirements for the operator's PCB, requirements for tools and tools, requirements for tools and equipment, requirements for tools and equipment, requirements for manual and electric mixing, and inventory requirements.
Printed circuit board: The production process of double-sided and printed boards is similar to that of solid wood or composite substrates, and does not have the production capacity for longitudinal, compression, and other processes;
The production process of solid wood substrate or plastic substrate is completed according to Figure 3. The double-sided board of the stacked production line can be processed for all holes, while the holes for other holes should be processed in a 1:1 ratio;
For the same layer of copper clad plate, there must be one area for cooling. 3、 Double sided board substrate: phenolic, epoxy; Urea formaldehyde; Glass fiber cloth: urea, urea formaldehyde; Epoxy: glass fiber: pure copper; No PU; Epoxy: Pure magnesium.