Screen mesh size: 280
Mesh wire diameter: 25um
Yarn thickness: 40um
Film thickness: 8±2um
Net stretch angle: 22.5deg
Tension: 26±1.5N/cm
2. Conventional square cell 1-pass printing screen-back electrode
Screen mesh size: 280
Mesh wire diameter: 25um
Yarn thickness: 40um
Film thickness: 8±2um
Net stretch angle: 22.5deg
Tension: 26±2N/cm
3. Conventional square cell 1-pass printing screen-back electrode
Screen mesh size: 325
Screen wire diameter: 23 um
Yarn thickness: 38±2 um
Film thickness: 8 ±2um
Net stretch angle: 22.5 deg
Tension: 25 ± 2 N/cm
Back electrode spacing: 26.210±0.015mm
Distance between front and back electrodes: 131.05±0.025mm
4. Conventional single-sided cell 2-pass printing screen - back electric field with chamfer
Screen mesh size: 400
Screen wire diameter: 23 um
Yarn thickness: 27±2 um
Film thickness: 12±2um
Net stretch angle: 22.5 deg
Tension: 26 ± 2 N/cm
In-chip tension: <3N (extremely poor)
5. Conventional double-sided solar cell 2-pass printing screen - back electric field with chamfer
Screen mesh size: 360
Mesh wire diameter: 16um
Yarn thickness: 28um
Film thickness: 20±2um
Net stretch angle: 22.5deg
Tension: 24±2N/cm
6. Conventional double-sided square cell 2-pass printing screen - back electric field
Screen mesh size: 360
Screen wire diameter: 16 um
Yarn thickness: 28±2um
Film thickness: 20±2um
Total thickness: 48±2um
Net stretch angle: 22.5 deg
Tension: 24 ± 2 N/cm
Back field spacing: 26.2083±0.015mm
Mark point size: 0.48±0.020mm
Squeegee surface thickening: 5 um
Back field head to tail distance (peripheral top to top): 155.70±0.02mm
PT value: 155.1±0.02mm
PT value description: PT value refers to the distance between the top grid line and the bottom grid line on the periphery of the screen. (Other standard tolerance ±0.02mm)
7. Conventional solar cell cell 3-pass printing screen - front grid with chamfer
Number of fine grids: 102
Fine gate width: 23± 2 um
Bold line width: 60± 2 um
Graphic alienation length: 0.3±0.01mm
Screen mesh size: 380
Wire diameter: 14um
Yarn thickness: 17 um
Film thickness: 11± 2 um
Net stretch angle: 30 deg
Tension: 20 ± 2 N/cm
PT value: 154.720 ± 0.02 mm
PT value description: PT value refers to the distance between the top grid line and the bottom grid line on the periphery of the screen.
8. Conventional square cell 3-pass printing screen-positive screen
Number of fine grids: 102
Fine gate width: 22± 2 um
Bold line width: 40± 2 um
Screen mesh size: 380
Wire diameter: 14um
Yarn thickness: 17 um
Film thickness: 11± 2 um
Total thickness: 32.5± 2 um
Net stretch angle: 30 deg
Tension: 20 ± 2 N/cm
PT value: 155.220 ± 0.02 mm
PT value description: PT value refers to the distance between the top grid line and the bottom grid line on the periphery of the screen.
9. Conventional solar cell cell 4-pass printing screen - front grid with chamfer
Number of fine grids: 102
Fine gate width: 24± 2 um
Bold line width: 60± 2 um
Screen mesh size: 380
Wire diameter: 14um
Yarn thickness: 17 um
Film thickness: 11± 2 um
Total thickness: 32.5± 2 um
Net stretch angle: 30 deg
Tension: 20 ± 2 N/cm
PT value: 154.730 ± 0.02 mm
PT value description: PT value refers to the distance between the top grid line and the bottom grid line on the periphery of the screen.
10. Conventional square cell 4-pass printing screen-positive screen
Number of fine grids: 102
Fine gate width: 22± 2 um
Bold line width: 40± 2 um
Screen mesh size: 380
Wire diameter: 14um
Yarn thickness: 17 um
Film thickness: 13± 2 um
Total thickness: 34.5± 2 um
Net stretch angle: 30 deg
Tension: 20 ± 2 N/cm
PT value: 155.230 ± 0.02 mm
PT value description: PT value refers to the distance between the top grid line and the bottom grid line on the periphery of the screen.