SMT Solder Paste Manufacturers.
Focused on SMT soldering processes, a one-stop electronic soldering solutions provider.
Here you can find knowledge about Solder Bar 25kg, including but not limited to usage methods, installation techniques, troubleshooting and more. Focused on SMT soldering processes. If you can't find what you need, please contact us anytime.
SMT placement is a core process in electronic assembly, and its quality is directly affected by the accuracy of solder paste printing, the positioning repeatability of the placement machine, and the matching degree between components and solder paste-coated pads. Jiajinyuan placement machines achieve ±0.03mm placement accuracy through a high-rigidity mechanical structure and a closed-loop vision system, ensuring that components can be accurately placed on solder paste-coated pads in complex packages ranging from 0201 to QFN48.
Published: 2023-08-24For the export of solder paste to Thailand in Southeast Asia, a full set of foreign trade customs clearance documents for solder paste must be prepared, including the Certificate of Origin, FORM E, MSDS, SGS test report, and commercial invoice. Among them, FORM E qualifies for zero-tariff treatment, the MSDS must be issued by a laboratory with CNAS qualification, and all documents must strictly match the actual shipment batch; otherwise, the goods will face the risk of being returned or detained at Thai customs.
Published: 2023-08-09When exporting SGS solder to ASEAN, European and American markets, it can be directly used for customs declaration and quality inspection, meeting the regulatory requirements of REACH, RoHS, Singapore PSB and other regulations. Jiajinyuan SGS solder has passed multiple international third-party tests, with batch reports and MSDS provided along with the goods, avoiding customs clearance delays and the risk of on-site sampling inspection and return.
Published: 2023-08-08The solder manufacturer provides full-cycle support for wave soldering processes on SMT production lines, covering solder bar selection, wave parameter matching, dross control, and root cause analysis of solder bridges and missed soldering. Jiajinyuan solder manufacturer, through on-site stationed debugging and dynamic monitoring of molten solder metal composition, helps customers increase the first-pass yield of wave soldering from 89.3% to 99.1%, significantly reducing manual rework hours and cold solder joint repair costs.
Published: 2023-07-25Temperature fluctuations in solder paste storage refrigerators directly disrupt the stable dispersion system of metal particles and flux inside the solder paste, leading to abnormal viscosity, aggravated slump, and poor printing release. If refrigerated solder paste frequently experiences fluctuations above ±3℃, the uniformity of its metal content distribution will significantly deteriorate within 72 hours. Therefore, the solder paste storage stage has become a key source of hidden yield loss in SMT production lines.
Published: 2023-07-22Soldering on ENIG boards imposes extremely stringent requirements on the halogen residue, wettability, and residue insulation of solder paste. Halogen-free solder paste stands out in preventing excessive dissolution of the gold layer, reducing leakage current during ICT testing, and improving long-term reliability. Jiajinyuan's halogen-free solder paste has been validated on multiple high-end HDI board production lines, demonstrating stable printability under 0.3mm pitch QFN and 0.4mm BGA packages, along with an actual void rate of <8%.
Published: 2023-07-11
Jiajinyuan has significantly improved batch stability and process traceability of solder paste by establishing 21 inspection processes covering the entire workflow from raw material warehousing, alloy powder preparation, solder paste mixing, reflow verification to outgoing inspection. Its halogen-free and lead-free high-temperature solder paste series performs well in key aspects such as QFN/DFN solder climbing rate, residue transparency, and void control
Published: 2023-07-06During dip soldering, temperature runaway in manual dip soldering pots is the main cause of cold solder joints and missed solder joints. For the JiajinYuan manual dip soldering pot, the solder bath temperature must be stably controlled at 255℃±3℃, the preheating zone maintained at 90℃~110℃, and the dip soldering time strictly limited to 3 seconds±0.5 seconds. Imbalance in the coordination of these three factors will cause bridging or poor wetting.
Published: 2023-06-14
A dull surface on solder wire does not necessarily indicate poor quality; it requires comprehensive judgment based on solder appearance, flux residue, storage environment, and degree of oxidation. For some low-smoke lead-free solder wires, natural dullness due to high rosin content or low-temperature storage is normal, while persistent blackening and reduced adhesion indicate flux deterioration or abnormal metal composition.
Published: 2023-05-17Lead-free solder for consumer electronics has become a mandatory threshold for export. Jiajinyuan lead-free solder strictly meets the requirements of RoHS and JEDEC J-STD-006 in terms of melting point, wettability, and IMC growth rate. Measured at a reflow peak temperature of 235℃±2℃, the solder joint thrust reaches 4.8N, the void rate is below 12%, and the copper PAD corrosion depth is <0.8μm, fully satisfying the full-lifecycle environmental compliance requirements of EU CE, US FCC, and Japanese JIS for consumer electronics solder.
Published: 2023-05-17Our technical team is always ready to provide professional solder material selection advice and SMT process solutions.