Introduction The world is becoming more digitalized than ever before. The workload of data centers has tripled since 2015 [1]. Despite huge progress in thermal management, traditional air-based cooling technology still represents a critical factor that significantly impacts data center operating costs and the environment. Depending on the size and operating conditions of a … [Read more...]
Epoxy with High Elongation Passes ISO 10993-5 Certification for Cytotoxicity
Product: EP40Med Release Date: 04/13/2020 Master Bond EP40Med, a two-part epoxy system, combines toughness and a low tensile modulus while still providing a relatively high lap shear strength. It meets the requirements of ISO 10993-5 testing and is therefore considered to be non-cytotoxic. This compound can be used for bonding, sealing, coating and … [Read more...]
Thermal Management of Chip-on-Board LED Systems and Their Aging Response to Cyclic Power
By: Lisa Mitterhuber, Julien Magnien, Elke Kraker Introduction Twenty years ago, a lamp had exactly one purpose—to illuminate the room. A typical incandescent lamp lasted a year and failure was caused by a filament or/and a glass breakage [1]. Nowadays typical lighting is based on LED technology, which is considered as durable. Due to the fact that many materials are … [Read more...]
Solder Joint Lifetime of Rapidly Cycled LED Components
Reprinted from the June, 2014 Issue ACTIVE LEDs in a consumer TV product are boosted and dimmed with the video picture content. Boosting and dimming of LEDs is a powerful means to improve visual experience, either through the application of active LEDs in an ambient light feature or through dimming and boosting of the display LEDs in a direct-lit video display. Active … [Read more...]
ASHRAE Technical Committee 9.9: Mission Critical Facilities, Data Centers, Technology Spaces, and Electronic Equipment
Nomenclature A1, A2, A3, A4 - ASHRAE allowable thermal envelopes as defined in Thermal Guidelines for Data Processing Environments that represent where IT manufacturers test equipment to ensure functionality ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers CAGR - Compound Annual Growth Rate CITE - A SHRAE Compliance for IT … [Read more...]
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