Now Hitech Group can provide PCB assembly service, metal core pcb assembly, Electronic assembly, DIP assembly and quick turn board assembly prototype service.

What is the reason for wave soldering Solder Touch

Wave soldering is to make the soldering surface of the board directly contact with high-temperature liquid tin for welding purposes. The high-temperature liquid tin maintains a slope, and the liquid tin forms a wave-like phenomenon by special means, so it is called "wave soldering". Wave soldering solder touch phenomenon 1. Due to the phenomenon that the component pin are too long when the board is over-wave soldering, the component trimming should be pre-processed: the extension length of the component pins is 1.5-2 mm, which does not exceed this height. There will be no phenomenon 2. Because the circuit board process [...]

2020-06-11T11:31:36+00:00Categories: Blog|Tags: , , |

RF PCB Layout: Interconnect Losses

Your trace geometry and layer stack will have a major effect on signal integrity as you route high frequency analog signals throughout your board. Newer designers will likely default to a microstrip geometry, possibly with guard vias to provide isolation between different circuit blocks and to suppress radiated emissions. The question of which trace geometry to use is about more than isolation; it is also about avoiding losses due to dielectric absorption, roughness losses, and scattering from your PCB substrate. The alternative to using microstrip transmission lines is to use stripline transmission lines. Routing striplines on a dedicated interior layer [...]

Mpcb or metal pcb

Thermal substrates for high watt density SMT applications   Metal core thermal PCB (MCPCBs, MCB, IMPCB or IMS) are widely used in applications where a dense wattage calls for a good thermal heat dissipation. The thermal efficiency gained by a metal based board allows for downsizing designs and removal of hardware. To avoid short circuits, there is an electrical insulation between the copper traces/pads and the base metal using a tailored dielectric layers with high thermal conductivity.   Thanks to metal core PCB, power densities can be increased while components remain cool, increasing life and durability. It also allows modules [...]

Electronics Manufacturing Steps of PCBA Circuit Board

Let’s understand the electronics manufacturing process of PCBA in details: Solder Paste Stenciling First and foremost, the PCBA company applies a solder paste to the printed circuit board. In this process, you need to put solder paste on certain portions of the board. That portion holds different components. The solder paste is a composition of different tiny metal balls. And, the most-used substance in the solder paste is tin i.e. 96.5%. Other substances of solder paste are silver and copper with 3% and 0.5% quantity respectively. The manufacturer mixes paste with a flux. Because flux is a chemical that helps [...]

Ceramic PCB- Alumina Oxide (Al2O3) PCB and Aluminium Nitride (AIN) PCB

CERAMIC PCBs- Alumina Oxide (Al2O3) PCB and Aluminium Nitride (AIN) PCB With recent advances in the market, Ceramic PCBs have become a more viable option for PCB designers. With the continuing requirements for miniaturisation, microelectronics and high-power LED packages, the need for substrates capable of withstanding high operating temperatures, whilst offering outstanding thermal performance is a must. Ceramics have been widely used in electronics/electronic components for years due to their thermal, and mechanical advantages. With recent advances in technology and manufacturing capabilities, they are now replacing entire Ceramic PCBs. Since their introduction, Ceramic PCBs have received enormous attention from the [...]

The benefits of heavy copper PCB fabrication and PCB assembly process

Heavy copper PCB means the foil thickness of the Printed Circuit Board greater than 3 oz (100 microns or four mils) typically. It is usually used for high electric current supply or some power circuits that are used in the automotive business. It can also be designed in the outer layer or inner layer. The thickness of heavy copper can also vary depending on the manufacturer, but they offer the same purpose. You should always use the best heavy copper PCB with the right thickness because a poor PCB cannot pass the heavy current. So, using a poor quality PCB [...]

Flexible PCB Design – PCB Manufacturing – PCB Assembly

Flexible PCB  , Flexible Circuit  or Flex PCB assembly, is designed as a replacement for traditional wire harnesses, Is soft PCB board  compared with Rigid PCB assembly process. Flexible PCB can be manufactured as single-sided, double-sided or multilayer plated through printed circuit boards. This allows the complete wiring of compact devices and systems with the advantage that no additional cables or plug connectors will be required. Flex designs pose unique challenges for most PCB tools because traditional object checks don’t account for Flex check nuances. They present a new set of objects that are best accounted for during the design [...]

PCBA assembly Appearance Inspection Instructions

Printed circuit board assembly (PCB assembly, PCBA), often use abbreviations—— PCBA, is an important electronic parts, is the support of electronic components,the provider of the electronic circuit connection.Because it is produced by using electronic printing technology, it is called "printed" circuit board.Before appears in the printed circuit board, electronic components of interconnection between relied on wires connected directly and form a complete circuit. Now, the circuit bread board only to exist as an effective experiment tool,but the printed circuit board in the electronics industry has become the dominant position. But most people still don't know what is PCBA  appearance inspection [...]

Uses of Ceramic PCB

The ceramic PCB made on ceramic is considered a type of metal core PCB. While other circuit boards such as FR4 PCB or Aluminum PCB can be used for electrical equipment, Ceramic circuit boards provide extra safety. The PCB also keeps the devices risk-free. Typically, Ceramic board is used in the followings: Spotlights and high-current LEDs Exchange converters Power controllers Variable optical systems Power regulators for cars Industrial power equipment Semiconductor refrigeration devices IC arrays Printers Audio amplifiers Solar cell substrates High power transistors and transistor arrays Power applications Ceramic PCB’s high electrical insulation and high-temperature resistance performance refrain electrical [...]

Printed Circuit Board Assembly

Printed Circuit Board Assembly The circuit board before the assembly of electric components is called Printed Circuit Board. After the soldering of all the elements on the board, it is known as Printed circuit Board Assembled. The complete process of component's assembly is called Printed Circuit Assembly or Printed Circuit Board assembly or PCB board assembly. In this process, different automatic and manual assembly tools are used. We are assembler that offer PCB assembly. PCB boards cannot perform any function until and unless its assembly is completed. PCB assembly is a process of assembling and soldering electrical parts on a [...]