Dehumidifier For Electronics Workshop

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Dehumidifier for Electronics Factory

Moisture is the deadly enemy of the quality of electronic products. How to modernize and effectively manage the environmental humidity stored in electronic products to reduce corporate losses is an important task for high-tech electronics companies. These can be done by automatic temperature and humidity recorders.

Most electronic products require operation and storage in dry conditions. According to statistics, more than a quarter of industrial manufacturing defective products are related to moisture hazards every year. For the electronics industry, the hazard of moisture has become one of the main factors affecting product quality.

Integrated Circuits: The hazards of moisture to the semiconductor industry are mainly manifested in the fact that moisture can penetrate into the IC through the IC plastic package and from the gaps of the pins, resulting in IC moisture absorption. Water vapor is formed in the heating process of the SMT process, and the generated pressure causes cracking of the IC resin package and oxidation of the metal inside the IC device, resulting in product failure. In addition, when the device is soldered during the PCB board, the solder joint pressure will also cause the solder joint.

According to the IPC-M190J-STD-033 standard, SMD components exposed to high-humidity air must be placed in a drying oven below 10% RH humidity for 10 times of the exposure time to restore the "floor life" of the components. ", avoid scrapping, and ensure safety.

Liquid crystal device: The glass substrate and the polarizer and the filter lens of the liquid crystal device such as the liquid crystal display are cleaned and dried in the production process, but after being cooled, the moisture is still affected, and the pass rate of the product is lowered. Therefore, after cleaning and drying, it should be stored in a dry environment below 40% RH.

Other electronic devices: capacitors, ceramic devices, connectors, switch parts, solder, PCB, crystal, silicon wafer, quartz oscillator, SMT glue, electrode material adhesive, electronic paste, high-brightness devices, etc., will be wet Hazard.

The electronic components in the process: between the semi-finished products in the package and the next process; between the PCB package and after the package to the power supply; the IC, BGA, PCB, etc. after the unpacking but not used up; the device waiting for the soldering of the soldering furnace The device that is to be warmed up after baking; the finished product that has not been packaged, etc., will be exposed to moisture.

The electronic machine will also be exposed to moisture during storage. If the storage time is too long in a high-humidity environment, it will cause a malfunction, and the CPU of the computer board will oxidize the gold finger and cause a malfunction. The production environment of electronic industry products and the storage environment of products should be below 40%. Some varieties also require lower humidity.

In summary, humidity is the deadly enemy of the quality of enterprise products. So, how should enterprises manage the storage humidity of electronic products? Welcome to call to discuss!

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