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Humitector™ Type 2 Non-Reversible Humidity Indicator Cards from Clariant help assure the integrity of moisture-sensitive surface-mount devices

Published:

February 20, 2021

Author:

Clariant

Abstract:

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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Company Information:

Clariant Cargo & Device Protection

Clariant Cargo & Device Protection offers a complete portfolio of desiccants and humidity indicator cards for use in dry packing.

Belen, New Mexico, USA

Manufacturer, Other

  • Phone 5059751591
  • Fax 5059751591

Clariant Cargo & Device Protection website

Company Postings:

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(1) technical library article

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