Product
Photoinitiator
Photoinitiator is a key material in photoresists used in fine pattern processes for displays and semiconductors, as it has high photosensitivity. Samyang’s Photoinitiator has excellent sensitivity and transparency.
Features
-
Various
Absorption -
High
Photo Sensitivity -
High
Transmittance -
High
Purity
Applications
Photoinitiator is used as a material for patterning processes
that use ultraviolet light to draw electronic circuit images.
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Display
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Semiconductor
Lineup
| Category | SPI-02 | SPI-03 | SPI-05 | SPI-06 | SPI-07 |
|---|---|---|---|---|---|
| Appearance | Pale Yellow Powder |
Pale Yellow Powder |
Yellow Powder | White powder | Pale Yellow Powder |
| Purity | >98% | >98% | >96% | >98% | >98% |
| Melting Point | 129℃ | 98℃ | 106℃ | 45℃ | 54℃ |
| Decomposition Point (TGA) |
251℃ | 208℃ | 207℃ | 193℃ | 190℃ |
| λ max (in CH3CN) |
345nm | 332nm | 378nm | 327nm | 331nm |
| Active Radical | Methyl | Methyl | Methyl | Phenyl | Methyl |
