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Characteristics and applications of ceramic circuit boards

Thick film circuit refers to the manufacturing process of the circuit, which refers to the use of partial semiconductor technology to integrate discrete components, bare chips, metal connections, etc. on a ceramic substrate. Generally, the resistance is printed on the substrate and the resistance... Read More

Basic knowledge of PCB circuit board copper foil

1. Introduction to Copper Foil 　　 Copper foil (copper foil): a kind of cathode electrolytic material, a thin, continuous metal foil deposited on the base layer of the circuit board, which acts as the conductor of the PCB. It easily adheres to the insulating layer, accepts the printed protective... Read More

4 technology trends will make the PCB industry go in different directions

Because printed circuit boards are versatile, even small changes in consumer trends and emerging technologies will have an impact on the PCB market, including its use and manufacturing methods. Although there may be more time, the following four main technology trends are expected to maintain the... Read More

Essentials of FPC Design and Use

FPC not only has electrical functions, but also the mechanism must be balanced by overall consideration and effective design. 　　◇ Shape: 　　 First, the basic route must be designed, and then the shape of the FPC must be designed. The main reason for adopting FPC is nothing more than the desire... Read More

The composition and operation of light painting film

I. terminology Light painting resolution: refers to how many points can be placed in one inch length; unit: PDI Optical density: refers to the amount of silver particles reduced in the emulsion film, that is, the ability to block light, the unit is “D”, the formula: D=lg (incident lig... Read More

Introduction to the operation process of PCB light painting (CAM)

(1) Check the user’s files The files brought by the user must be routinely checked first: 1. Check whether the disk file is intact; 2. Check whether the file contains a virus. If there is a virus, you must first kill the virus; 3. If it is a Gerber file, check for D code table or D code inside. (... Read More

What is a high Tg PCB board and the advantages of using high Tg PCB

When the temperature of a high Tg printed board rises to a certain area, the substrate will change from “glass state” to “rubber state”, and the temperature at this time is called the glass transition temperature (Tg) of the board. In other words, Tg is the highest temper... Read More

The role of FPC flexible circuit board solder mask

In the circuit board production, the green oil bridge is also called the solder mask bridge and the solder mask dam. It is a “isolation band” made by the circuit board factory to prevent the short circuit of the pins of SMD components. If you want to control the FPC soft board (FPC fl... Read More

The main purpose of aluminum substrate PCB

Aluminum substrate pcb use: power hybrid IC (HIC). 1. Audio equipment Input and output amplifiers, balanced amplifiers, audio amplifiers, preamplifiers, power amplifiers, etc. 2. Power equipment Switching regulator, DC/AC converter, SW regulator, etc. 3. Communication electronic equipment The hig... Read More

The difference between aluminum substrate and glass fiber board

The difference and application of aluminum substrate and glass fiber board 1. Fiberglass board (FR4, single-sided, double-sided, multilayer PCB circuit board, impedance board, blind buried via board), suitable for computers, mobile phones and other electronic digital products. There are many ways... Read More

Factors of poor tin on PCB and prevention plan

The circuit board will show poor tinning during SMT production. Generally, poor tinning is related to the cleanliness of the bare PCB surface. If there is no dirt, there will be basically no bad tinning. Second, tinning When the flux itself is bad, the temperature and so on. So what are the main ... Read More

What are the advantages, applications and types of aluminum substrates

Aluminum base plate (metal base heat sink (including aluminum base plate, copper base plate, iron base plate)) is a low-alloyed Al-Mg-Si series high plastic alloy plate, which has good thermal conductivity, electrical insulation performance and mechanical processing performance. Compared with the... Read More
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