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- Designed for crystalline silicon wafer
- Applicable to Standard emitter, Shallow emitter, LDE cell
- Low contact resistance
- Fine line resolution and excellent printability
- Good adhesion to diverse ribbon type
- Wide range of firing process tolerance
 
Fired Ag electrode (dense microstructure and good appearance of fired Ag cross section)
  Top Cross Section
Image
Fine pattern printability
  34㎛ pattern 44㎛ pattern   50㎛ pattern
Image
Aspect 0.33 0.28 0.28
Width[㎛] 40 50 58
Thickness[㎛] 13 14 16
Screen #360_16㎛ #400_18㎛ #400_18㎛
Pattern 34um 96EA 44um 90EA 50um 88EA
 
Forming exellent contact on solar cell of a broad of sheet resistances
  75Ω/sq. 85Ω/sq. 105Ω/sq.
Rcontact
[mΩ∙cm2]
6 6.5 7.5
Electrical
performances
Specification
Model DPS-1900L series DPS-1900V series
Type Standard type LDE type
Solid content rate [%] 91±1.0 91±1.0
Viscosity 360±20kcps
Brookfield HBT,
10rpm SC4-14/6R, 25℃)
Consumption [mg/pcs] 90-130 90-130
Validity[months] 6 6
 
- Rear Ag paste designed for crystalline silicon wafer
- Retaining diverse silver content rate according to requirements
- Retaining environment-friendly Pb free product lines
- Retaining product lines for PERC type
- Low contact resistance, Good adhesion, Good solderability
 
Fine pattern after firing
Top Cross Section
Image
 
Image of Rear electrode for PERC type(Not damaging on passivation layer)
 
Specification
Model DPS-0020 series DPS-0022 series
Type Standard type PERC type
Solid content rate [%] 42 45 50 55 40 45 55
Inorganic
content rate [%]
45.0±1.0 48.0±1.0 54.0±1.0 58.5±1.5 43.0±1.0 48.0±1.0 58.5±1.5
Viscosity 75±10kcps
Brookfield HBT,
10rpm SC4-14/6R, 25℃)
75±10kcps
Brookfield HBT,
10rpm SC4-14/6R, 25℃)
Consumption [mg/㎠] 4.0-4.5 4.5-5.0 5.0-5.5 5.5-6.0 3.8-4.3 4.5-5.0 5.5-6.0
Validity[months] 6 6
 
- Al paste designed for crystalline silicon wafer
- Retaining product lines for Pb contained & Pb free
- High Voc let it have improved efficiency
- Uniform and thick BSF forming
- Excellent physical properties (BOW / EVA PEEL FORCE / HOT WATER TEST)
 
Electrical properties
Model DPA-3170G DPA-3170P
Voc scan
Voc 637mV 639mV
Eff. 19.07% 19.13%
FF 79.91% 79.97%
 
Fine structure after firing
Model DPA-3170G DPA-3170P
electrode thickness
BSF layer
Physical properties showing high reliabilities
  Bow [mm] Bump EVA Peel test (Adhesion) Hot DI water test
(70±2℃)
DPA-3170G 1.5 pass 25N 10분 이상
DPA-3170P 1.6 pass 30N 10분 이상
Specification
Model DPA-3170G DPA-3170P
Type Pb-free Pb contained
Inorganic
content rate [%]
76.5±2.0 78.5±2.0
T.I (1/10rpm) 5.5-6.5 5.0-6.0
Viscosity 65±10kcps Brookfield HBT, 10rpm SC4-14/6R, 25℃)
Consumption [g/pcs] 1.3-1.5 1.3-1.5
Validity[months] 6 6