Material of coating the insulation adhesive on Polyimide film.
Various lineups for applications such as smartphone, laptop, LCD, HDD, and DVD-drive.
There are lineups dedicated for high-speed transmission, or transparency requirement.
Grade
UL94
Characteristics
CV type
✔
Standard type with good adhesion and workability. (Halogen contains)
CM type
✔
Standard type. Halogen-free. Applicable on fine pattern (L/S=20/20).
CE type
✔
High Tg (110℃), high elasticity (3.7GPa), and good sliding property.
CG type
✔
Applicable on wireing pitch of 20µm (L/S=10/10).
Superior workability with quick-press.
C23 type
✔
Compatible with high-speed transmission with Low Dk (Dk:2.75),
and low Df (Df:0.005)
C60 type
✔
Material of transparent film with transparent adhesive.
Excellent heat resistance.
Photosensitive coverlay
UV curable dry film type material with flame resistance and low repulsive properties.
Applicable to various products such as smartphone, laptop, and LCD.
Grade
Color
UL94
Characteristics
RTA type
Amber
✔
Standard type with superior folding endurance
and flame reterdancy.
RTB type
Black
✔
Standard type with superior folding endurance,
flame reterdancy, and concealment performance.
RTC type
Amber
To be applied
Excellent in folding endurance, flame reterdancy,
and anti-migration property (L/S=20/20)
RTD type
Black
To be applied
Excellent in folding endurance, flame reterdancy,
anti-migration property (L/S=20/20),
and concealment performance.
Other Coverlay
Material of coating the white layer on PI surface of CM-type Coverlay.
Acheived a high-reflectance of LED light source. Applicable to component Assembly FPC.
Grade
UL94
Characteristics
CMAG type
✔
Total light reflectance ratio is 88% or higher.
Excellent in flame reterdancy, folding endurance, and electrical property.
