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It relates to the packaging and handling precautions for some semiconductors. The MSL is an electronic standard for the time period in which a moisture sensitive device can be exposed to ambient room conditions (30 °C/85%RH at Level 1; 30 °C/60%RH at all other levels). Increasingly, semiconductors have been manufactured in smaller sizes.
The humidity indicator card is also specified for use in J-STD-033, which is the standard for handling, packing, shipping and use of moisture/reflow sensitive surface-mount devices. This is a joint standard developed by the Joint Electron Device Engineering Council and IPC and is used in semiconductor packaging.
The moisture requirement of iron-based scavengers makes them ineffective in moisture sensitive applications. The performance of oxygen scavengers is affected by ambient temperature and relative humidity. [9] Newer packaging technologies may use oxygen scavenging polymers to prevent accidental ingestion of oxygen scavengers. [8]
Jewelry hygiene is an area of study focusing on sanitary practices and habits relating to jewelry in an effort to understand jewelry's effect on hand hygiene.There are four key elements to optimally sanitizing jewelry: steam or hot water, water pressure and an antibacterial cleaning agent.
Preventive methods may include limiting exposure to light to a maximum of 40 years at 100 lux or 80 years at 50 lux, [5] maintaining stable temperature and humidity levels, using safe and proper art handling with gloves and proper art storage, per current professional museum standards such as those from the American Alliance of Museums. [13]
A dry box is a storage container in which the interior is kept at a low level of humidity. It may be as simple as an airtight and watertight enclosure, or it may use active means to remove water vapor from the air trapped inside.