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Shenzhen Orod Technology concentrates on copy PCB board business since its establishments. As the company’s scale continuous to grow and progress, it is in the leading position of the PCB copy industry. You only need to provide a sample prototype; we can copy the PCB file BOM list, schematic code on the chip according to the prototype.
We are offering our client an excellent quality range of double sided PCB are available in different thickness and track widths. These are precisely engineered using top quality components and using advance technologies by our experts. Our products are widely recommended by clients owing to their excellent features. Besides, clients can avail these products in various customized options and are reasonably priced.
Features of double PCB:
Excellent performance
Precise design
Easy installation
Excellent finish
Reliable
Cost effective
www.hx-technology.com/pcb-assembly-service/pcb-functional...
If you want to ensure the good quality for delivery of every board, the PCB programming, and PCB functional test is the best way to test.
PCBA Online Programming:
Before finishing welding, we usually program the microcontroller in the PCBA board to enable the microcontroller to achieve specific functions. It will improve efficiency and reduce production costs.
PCBA Test
Including ICT test, FCT test, Burn-In Test, fatigue test
ICT Test (In-Circuit Test)： Through the test probe contacting the test point of the PCBA, the main PCBA test circuit continuity, voltage and current value, fluctuation curve, amplitude, noise, etc.
PCB Functional Test Requirements
Before discussing design, test systems, software, and test methods, it is important to understand the "object" - the PCB product to be tested, not only the PCB or final assembly itself, but also how much will be produced, the expected failures, etc., including
Product type
Structure (single PCB / pre-made PCB / final product)
Test specification plan:
test point expected production (per line / per day / per shift, etc.)
Expected failure type
Obviously, the above ignores the "budget", but only after understanding the above items to determine how much a product test to spend, to figure out what is needed to PCB functional test-the UUT before you start discussing funding issues, and only at this time to know how to make compromises to get the job done.
PCB Functional Test Requirements
PCB Functional Test & Programming Quality Control
FCT Test (Functional Test):
Firstly we need to program the prepared single-chip microcomputer (MCU) into the program IC through the burner, this step is conducting a simulation test for all PCBA tests. Then it has any questions from hardware and software, we will also be equipped with the necessary patch processing production tooling and test racks.
Burn-In Test：
After the online PCB programming and FCT for the PCB board, we can simulate user input and output for a long time and periodically test its durability and welding reliability.
Fatigue test：
It is mainly to sample the PCBA board, and perform the high-frequency and long-term operation of the function, observe whether there is a failure, and judge the probability of failure in the PCB board testing, so as to feedback the working performance of the PCBA board in the electronic product.
In order to make sure nothing goes wrong, we will carry out strict inspection procedures to ensure the delivery of high-quality products.
Significance of PCB Functional Test
PCB functional test is becoming increasingly important, however, the same as PCB programming online test, the technology development, and PCB design can make the testing scope limited. Although great progress has been made in the PCB testing software environment to help overcome some of the difficulties, if you want to follow your test strategy to successfully implement PCB functional testing, there are many problems to avoid and to do more thorough preparation. PCB functional testing is increasingly being used in post-production line processes and even for mid-process testing, but the systems and implementation methods are almost completely different from those of the past. Today's PCB functional testing systems are in most cases faster and more compact, and PCB functional testing is indispensable for verifying overall product functionality, maintaining calibration information, providing data to ISO 9000 programs, and assuring the quality of high-risk products. Such as the quality of medical equipment are indispensable.
With an increasing demand for quality PCB designs in the competitive technology market today, PCB Power gives you an ideal choice of design services by experts who, will assist you in all your technological requirements besides fulfilling your demanding schedules
Visit Us Online: www.pcbpower.com
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Not sure what this hardened black substance is. First time I have seen it on a PCB board before. Is this bad??
The internal mains PSU (transformer and rectifier; the smoothing capacitor is on the main PCB) board and its mounting bracket.
www.pcbsky.com/pcb-fabrication/high-tg-pcb.html
What is High Tg PCB
When the temperature 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 plate. That is, Tg is the highest temperature (°C) at which the substrate remains rigid. That is to say, the ordinary PCB substrate material not only softens, deforms, melts, etc. at high temperatures, but also exhibits a sharp drop in mechanical and electrical properties.
The general Tg of the PCB is 130 degrees or more, the high Tg is generally greater than 170 degrees, and the medium Tg is greater than about 150 degrees.
A PCB board with a typical Tg ≥ 170 ° C is called a high Tg board.
The higher the Tg value, the more resistant the sheet is to deformation and the better its dimensional stability. The substrate material of IPC-4101B (2006) standard epoxy/E type fiberglass cloth is divided into three grades according to the height of Tg (commonly known as low, medium and high Tg). It is an important property in the resin of the sheet. It refers to the gradual change of the physical properties of the resin due to the gradual increase of the temperature. It is converted into a viscous state by the amorphous or partially crystalline hard and brittle nature at room temperature, such as glass. The critical temperature is very high and soft in another state like rubber.
www.hx-technology.com/pcba-security-product/
After every single detail of the electronic device has been finished for the design and engineering, we will prepare for production. The needed electronic components will be purchased from our reliable suppliers globally. First article, small, medium and large serial production are accessible to your security product. HX technology is devoted to providing various high-quality security products, including IP camera circuit board, IP camera PCB board, security PCB, monitor PCB and so on.
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