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Front-side Silver paste GF315A/C/F

Scope of application:front-side metallization electrode of mono/polycrystalline silicon solar cells
Characteristic:Excellent photoelectric conversion efficiency (high Voc, low Rs, high FF)
             Excellent welding adhesion, solderability and durability
             Low paste consumption
             Excellent electrical conductivity
             Excellent Fine line printability
Physical and chemical properties:

项目

数据

检测条件

细度(μm)

第二刻度

≤13

F.O.G刮板细度计

90%

≤10

粘度(Pa·S)

150~250*1

BrookfieldDV-Ⅱ+Pro/CP52转子/5RPM/25℃

固含量(%)

91.0±1.0

高温灼烧

Recommended Processing conditions:
Base wafers:Monocrystalline silicon wafers with emitter of 40-100Ω/sq, polycrystalline silicon wafers with emitter 60-110Ω/sq
Stir:Before using, rolling slowly at 15-20 RPM for 2-4 hours, then stirring for 5-10 minutes manually with a clean stirring blade, avoiding introducing bubbles during stirring.
Print:In clean, ventilated environment, screens of 290 to 400 mesh with emulsion thickness of  10-20 micron are recommended, printing speed at 180-260mm / sec 

设计线宽/μm

50~60

40~50

40~50

35~40

35~40

网目数

325

400

290

360

325

线径/μm

23

18

20

16

16

乳剂厚度/μm

14~20

14~20

14~20

14~20

14~20


Cleaning:Ethanol or terpinol recommended.
Dilution:X315 diluent maybe used to adjust viscosity to adapt to process requirements, though usually not recommended. New pastes shall not need be adjusted.
Sintering:peak temperature at 760℃~820℃ while 2~3s above 650℃.
Soldering:match normal industry standard materials and processes, use cleaning-free LO/MO activity level flux. Both silver containing and non-silver welding strips are suitable. 
Storage: Temperature at 5 ~ 25 ℃, humidity <75%, fully sealed, avoiding moisture, fire, heat, and introduction of impurities.
Validity:six months since the date of production
Health and Safety:Refer to MSDS of this product.

Recommended sintering profile:

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