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- [Company News]In PCB manufacturing,component layout direction of wave soldering process2019/12/03/ 15:38
- In order to make both ends of the PCB manufacturing components contact the solder wave at the same time, the long axis of the chip component should be perpendicular to the direction of the wave soldering machine.
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- [Company News]SMC/SMID components (SsD) transportation, storage and use requirements2019/11/18/ 11:38
- Unsuitable storage conditions can cause component quality to deteriorate, resulting in poor solderability. The storage conditions of SMD components must be standardized.
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- [Company News]Printed Circuit Boards Thermal Design Introduction2019/11/16/ 11:36
- Electronic devices will get hot during work. The failure rate of electronic products increases exponentially with increasing operating temperature. In general, high temperatures can degrade insulation performance, component damage, thermal aging of materials, cracking of low-melting welds, and loss of solder joints, ultimately leading to failure of electronic equipment. The purpose of the heat dissipation design is to control the temperature of all electronic components inside the product so that it does not exceed the maximum temperature specified by the standards and specifications under the working environment.
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- [Company News]Surface assembly process design principles2019/11/16/ 11:27
- Typical surface assembly methods include full surface assembly, single-sided mixing, and double-sided mixing. Full surface assembly means that both sides of the PCB are mounted components (SMC/SMD); single-sided mixing means that both the SMC/SMD and the through-hole components(THC) are on the PCB, and the THC is in the main Face, SMC/SMD may be on the main side or on the auxiliary side; double-sided mixing means that both sides have SMC/SMD, THC is on the main side, and there may be THC on both sides.
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- [Company News]Selective wave soldering advantage2019/11/11/ 15:20
- Selective wave soldering is a special form of wave soldering invented to meet the requirements of modern welding processes. It also has three main components of flux unit, preheating unit and welding unit. Through pre-programmed procedures, the machine can be sprayed and welded in a targeted manner. The welding efficiency and reliability are higher than manual welding, and the welding cost is lower than wave soldering.
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- [Company News]Why does the pcb supplier choose no-clean soldering process?2019/11/05/ 15:50
- With the protection of the atmospheric ozone layer, the in-depth development of Ozone Depleting Substances (ODS) and the rapid development of SMT, more and more pcb suppliers are choosing or preparing to use no-clean soldering technology, low solid content and no-wash.
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- [Company News]Prototype pcb manufacturing, how to control PCB and components before wave soldering?2019/11/02/ 11:30
- For printed circuit boards that have been placed for a long time, the surface is generally cleaned, which improves the solderability of prototype pcb manufacturing, reduces virtual soldering and bridging. For component leads that have a certain degree of oxidation on the surface, the surface oxide should be removed firstly.
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- [Company News]SMT manufacturing advantages2019/10/31/ 18:09
- SMT manufacturing surface mount components are much smaller than traditional through-hole components. In general, the surface assembly technology can reduce the size of electronic products by about 60% and reduce the weight by about 80%.
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- [Company News]Modern electric circuit board components packaging development2019/10/29/ 14:48
- The electric circuit board products are developing towards portable, miniaturized, networked and multimedia. This market demand puts forward corresponding requirements for circuit assembly technology.
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- [Company News]Printed circuit board manufacturers reflow soldering poor wetting solution2019/10/28/ 10:33
- The welding quality of components' solder joints is a key factor that directly affects the quality of printed circuit components and even the whole machine
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- [Company News]SMT PCB assembly process improvement inspection methods2019/10/28/ 10:15
- The goal of quality management is not to put the defective smt pcb assembly printed circuit board on the production line back process, set up special testing equipment after the manufacturing station, and timely detect, find and correct the defects.
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- [Company News]Pcb manufacturing company wave soldering joint requirements2019/10/25/ 15:54
- The requirements for soldering solder joints of pcb manufacturing companies are shown in Table 12-1 below.
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- [Company News]Quick turn pcb fabrication affecting solderability factors2019/10/24/ 16:28
- There are many factors that affect the solderability of components or pcb fabrication pads, mainly including:
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- [Company News]Online pcb manufacturing custom pcb board components installation2019/10/23/ 14:56
- The online pcb manufacturing installation process depends on the rework process used, such as the heating method, solder type and component package. The general method is as follows:
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- [Company News]Pcb supplier component picking error reason and solution2019/10/18/ 21:11
- Therefore, the pcb supplier should correctly input the "component start position, pitch, component number" of "component data".
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- [Company News]Rework process for common chip components2019/10/17/ 00:02
- Rework process for common chip components are as below, more pcb industry professional knowledge you can send inquiry to pcba23@pcb-smt.net
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- [Company News]Pcb factory quick turn pcb smt results analysis2019/10/11/ 14:41
- The analysis of the mounting results of the pcb factory quick turn pcb is a quality requirement for the smt products, and generally should follow the IPC related acceptance criteria.
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- [Company News]PCB manufacturer SMT processing online test equipment (ICT) introduction2019/09/28/ 13:31
- SMT In-Circuit Test (ICT) is a standard test method used by PCB manufacturers to check PCB manufacturing defects and component defects by testing the electrical performance and electrical connections of online components.
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- [Company News]Pcb assembly PCB component adjustment method2019/09/23/ 09:25
- First of all, the mechanical adjustment of PCB assembly PCB components, nozzle rotation adjustment direction, this method can achieve limited accuracy, it’s not suitable for future models.
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- [Company News]Prototype pcb failure cause analysis (2)2019/09/22/ 00:01
- As the hub of various components and circuit signal transmission, prototype PCB has become the most important and key part of electronic information products.Which quality and reliability determine the quality and reliability of the whole equipment.
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