What is Dimensional Stability?

Dimensional Stability: Dimensional Stability. Dimensional stability refers to the amount of change in the length, width, and flatness of a sheet that is affected by changes in temperature, humidity, chemical treatment, aging, or applied pressure. Expressed as a percentage. When the board w

DRAM memory chip costs rise in 4 years

Market research iSuppli recently released a report that the production costs of DRAM memory chips in the second quarter of this year suffered the first increase since the third quarter of 2006, which also triggered concerns about manufacturers spending on memory chips. From 2005 onwards,

Lighting industry explores "2008 winning strategy"

How to create the core value and core charm of the future brand of lighting enterprises. On the afternoon of October 19th, at the International Summit of High-end Brands in Lighting Industry in 2007, the top ten planning experts in China, the special professors of Peking University School of Econom

Active power filter fundamental wave extraction method

With the rapid development of modern power electronic technology, a large number of non-linear loads have been added to the power grid, such as large-capacity converter equipment, variable frequency equipment, and switching power supplies. This has led to the generation of a large number o