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MOISTURE SENSITIVE COMPONENT STORAGE Hiro …

Figure 1 MOISTURE SENSITIVE COMPONENT STORAGEHiro Suganuma/Alvin TamanahaSeika Machinery, , SENSITIVE Devices (MSD) have become widelyused with the increased sophistication of electronicproducts. However, MSDs present a number of challengeswhen used in surface mount assembly as they may sufferinternal damage during the manufacturing process if theyare not handled and stored according to industry surface mount assembly, solder paste is printed on to aPCB, components are mounted and the entire board is sentthrough a reflow oven.

Moisture sensitive components are placed in a dry box (desiccation system is used) capable of maintaining less than 10%RH and 25OC +/-5 OC. Zeolite and silica gel are the most common desiccants used in dry air boxes. Absorption ratio The time constraints by which a component must be

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