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silver conductor dts-705-1
conductive paste for fine pattern
application of touch screen panel
product deｓｃｒｉｐｔion
dts-705-1 is a one part, conductive paste designed primarily for the purpose of fine pattern in screen printing. it can be used with semi-automatic, and manual printers, and offers excellent residence time on the screen. the cured film has excellent electrical and mechanical properties with good adhesion to a variety surfaces(ito coated film).
processing procedures
application
before use, take paste out of the refrigerator, leave it in a room in the sealed state for approximately one hour, then use after mixing well.
the material may be applied by screen printing, a 400 or 500mesh screen with a 8-12um organic emulsion backing is recommended. use a hard silicone squeegee. screens can be cleaned with organic solvents such as 1st ethyl carbitol, 2nd ethanol or isopropyl alcohol.
dilute solution
ethyl carbitol acetate.(cas : 112-15-2)
curing
minimum cure is 130℃ for 30 minutes. cure time is only a guide. optimum conditions will vary depending upon application and will need to be determined experimentally.
storage
items |
value |
remarks |
||
silver content |
74±2％ |
tga |
||
particle size |
d50 |
1.5~1.7㎛ |
psa |
|
viscosity(cps) |
10rpm |
180,000~220,000 |
brookfield hbt-dvii , sp#14 @ 25 ± 0.5℃ |
|
ti(5/50) |
4.0±1.0 |
|||
volume resistance1 |
≤ 1.5×10-4ωcm |
- |
||
adhesion |
cross cut2 |
≥ 4b |
astm d3359 |
|
pencil hardness3 |
2h |
- |
||
printability4 |
continuous |
≥ 150 times |
400mesh,18㎛emulsion:10㎛ |
|
line width |
68~72㎛ |
|||
thickness |
9~11㎛ |
|||
printed image |
||||
curve |
straight |
|||
|
|
|||
test condition
1. printed samples cured at 130℃ for 30 minutes on glass.
2, 3. printed samples cured at 130℃ for 30 minutes on ito coated pet film.
4. the original designed value of the printing mask : line width 70㎛, line pitch 70㎛.
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