Halogen analysis
Analysis to investigate contents of halogen ( Chlorine, Bromine and others).
Glossary
Glossary
Analysis to investigate contents of halogen ( Chlorine, Bromine and others).
Contents of Halogen elements (such as Fluorine, Chlorine, and Bromine) are non or less than specified value.
*A test method to measure halogen content in copper-clad laminates ""JPCA-ES01"", followings are defined.
- Chlorine ion concentration: Less than 0.09 wt% (900 ppm)
- Bromine ion concentration: Less than 0.09 wt% (900 ppm)
- Total concentration of Chlorine and Bromine ions: Less than 0.15 wt% (1500 ppm)
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Having good adhesion to solder resists such as dry film solder resist or ink type resist.
A characteristic of which tendency of change in shape (expansion or shrinkage) is small by external influences such as thermal change.
The characteristic of which material can endure higher stress.
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Tg: The temperature at which the polymeric materials convert from the solid state to a rubbery state.
High Tg: Glass transition temperature is high.
The higher the Tg, the better the stability at high temperatures.
Fabrics having 3 dimentional structure.
A panel structure of core samdwitched by decolative panels or films. The core material is structured by hexagonal interior which is similar to honeycombs.
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