Size: 19*11cm Necklace size:25cm Weight:90g Infant baby kid washable silicone feeding bib 100% brand new and high quality Can be safely washed in the dishwasher or wiped clean Roll up bib for easy travel and storage Has a built in crumb catcher and adjustable clasp For use on babies 6 months and older All products have been tested for safety These silicone bibs do not contain lead, bpa, phthalates, latex, or pvc
Place of origin united states Brand name bondatek Bondatek provides ge, gaas, gap, gan, gasb, inp, inas, insb wafers to micro- electronics and optoelectronics industry in diameter range from 2" to 4" with orientation or , epd< 5000 cm-2 and epi ready surface. Inp based 25 piece/pieces
Dummy grade silicon wafer. Diameter: 2-12 inch. Resistivity >1 ohm.Cm, surface condition: ssp, dsp or as-cut Dummy grade silicon wafer. Packing: coin roll or as customer request. ( like epack packing cassette) Usage: recycled solar material, machine testing, etc
semiconductor si wafers prime grade/high quality diameter from 2" to 12" ultra thin or ultra thick crystalline orientation , , most resistivity range 1000 pack/packs / week
Now our products including 125*125 and 156*156, and all of them is high inner quality and surface quality Crystal structure Mono-crystalline Crystal method CZ Conductance Type P Dopant B dimension 125*125í+0.4 125*125í+0.4 156*156í+0.4 Diameter ª¦150í+0.4 ª¦165í+0.4 ª¦200í+0.4 Crystal orientation í+1 Resistivity( ª+.cm) 1-3/3-6 Lifetime( ª¦s) í¦15 Carbon concentration( atoms/cm3 ) í_5*1016 Oxygen concentration( atoms/cm3 ) í_0.95*1018. 300pcs/box.
High quality and good surface quality to meet the updating request of pv development and reduce the production cost. Crystal structuremono-crystalline Crystal method cz Conductance typep Dopant b Dimension125*125ía0.4156*156ía0.4 Diameter ª¦150ía0.4 ª¦165ía0.4ª¦200ía0.4 Crystal orientation ía1 Resistivity( ª+.Cm) 1-3/3-6 Lifetime( ª8s) í²15 Carbon concentration( atoms/cm3 )ín5*1016 Oxygen concentration( atoms/cm3 )ín0.95*1018 125*125 and 156*156
Multicrystalline silicon wafers 1.Material: multicrystalline silicon 2.Growth method: directional solidification 3.Conductivity type: p-type (boron doped), astm f42 4.Oxygen concentration: n 1, 0x1017 at./cm3, astm f 121 5.Carbon concentration: n 1x1018 at./cm3, astm f 121 * oxygen content measurement by astm 1188 and used calculation coefficient for ppm atomic is 4, 9 and and for at/cm3 is 2, 45e+17. 6.Square side: (156.0 0.5) mm 7.Symmetry as per the drawing in the enclosure no. 1 8.Thickness: (200 30) µm, astm f 533 9.Ttv: < 50 µm, astm f657 10.Bow < 50 µm, astm f 534 11.Surface saw damage depth µm < 20 (< 15 typically) 12.Saw traces µm 2 µs, astm f 28 15.Surface: as-cut and cleaned; visible contamination, oil or grease, finger prints, soap stains, slurry stains, epoxy/water stains, cracks are not allowed; edge chips under 1 mm from the edge of the wafer are allowed. . 16.Customer may request to receive reference samples 17.Wafers are being stacked into batches of 50-100 wafers each. Then it is sealed into polyethylene film. Protective paper among wafers is upon customer request. 500 -600 wafers in total are being packed into styrofoam box. Styrofoam boxes are being packed into pasteboard cases. Wafers are being packed in such a manner as to ensure minimal damage to the product during transportation. 18.All polystyrene boxes of wafers are identified with: box number; type of wafer; number of wafers per box; all contributing ingots numbers; thickness of wafers; date of packing / output inspection. Geometry: Square side angle:900, 5 Chamfer: 1, 5 mm0, 5mm at 452
Solar cells, cell silicon wafers, solar modules and other photovoltaic products.