Technical Library | 2021-02-20 00:55:47.0
Customers must be able to rely on accurate humidity indication as an assurance of SMD quality and fitness for processing and use. Without it, they might accept SMDs from suppliers that have already been irreparably damaged by moisture during storage or transit. Or, they might approve for processing SMDs that have been improperly or insufficiently heat-dried. Beyond the processing questions, there are financial questions: Where did the dry pack problems originate and who--supplier, customer, shipper--is financially responsible for the damaged SMDs? In response, Clariant, the originator of the color change humidity indicator card, and a member of the JEDEC's Subcommittee 14.1, "Reliability and Test Methods for Packaged Devices," created a new "non-reversible" halogen and cobalt dichloride free humidity indicator card. This HIC combines two reversible indicators (5% and 10%) with a new non-reversible (60% RH) indicator spot. (Figure 1) The 5% and 10% reversible spots work the way similar indicators do: they change color from blue (dry), to lavender, to pink (wet) to indicate humidity exposure at the indicated levels. If humidity levels drop, they will gradually revert back to blue.
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Industry News | 2011-04-22 21:54:12.0
The Capital Chapter is announcing its next SMTA meeting to be held at APL, Johns Hopkins University, in Laurel MD on May 17, 2011 from 5pm-8pm.
Industry News | 2019-10-22 12:34:34.0
Humitector™ Type 2 delivers advanced sustainable attributes including halogen-free*, cobalt dichloride-free, and reduced cobalt dibromide content The use of Type 2 Humidity Indicator Cards with a non-reversible 60% RH spot indicator is preferred by IPC/JEDEC standard J-STD-033D.
Parts & Supplies | SMT Equipment
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Industry News | 2018-06-13 12:52:51.0
Market's first non-reversible humidity indicator Card Type 2 is low-halogen and cobalt-dichloride-free. Complies with the latest revision of IPC/JEDEC standard, J-STD-033D.
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