- Introduction:
BOROFLOAT®33hasexcellentcomprehensivepropertiessuchasthermal,chemicalandoptical,
whetherappliedtothecleaningovens,microwaveovensandotherelectricappliancesequipment,
cankeepexcellentstability
lProductfeatures:
a)Application-specificuseofglassmaterial
b)Vastexpertiseintheareaofpolishinganduniquesurfacequalities
c)Cleanroomcompatiblepackagingofready-to-usesubstrates
d)Structuredwaferswithexcellenttolerances
e)Customer-specificproductsthatmeetallrequirementsandindustrystandards(e.g.SEMI)
f)IntegratedproductionprocessesthatmeetISO9001:2000requirementsandstandards
lTechnologyparameters:
a)Material:BOROFLOAT®33,PYREX7740,Quartzglass,
b) Thickness:0.3mm,0.5mm,0.6mm,0.7mm,1.0mm,1.5mm(Tolerance
±0.02mm)
c) Roundize:Φ2",Φ3",Φ4",Φ5",Φ6",Φ8",Φ12"ect..
d)MIL:60/40
e)Roughness(Ra)Less1.5nm
f)TTVLess0.01mm
g)ChamferC0.05~0.2mm
h)EdgecollapseLess0.2mm
i)Surfacecleaning,Thereshallbenomarksandstains,Packedincleanroom,Usingspecialboxes.
lBOROFLOAT33®basicperformance:
Technicalparameters:
Density(25℃)
2.2g/cm2
Expansioncoefficient(ISO7991)
3.25´10-6k-1
Transmittance
91%
Softeningpoint
820℃
Shorttimeuseless10h
550℃
Longtimeusemore10h
450℃
Refractiveindex
(587.6nm)
1.47140
Knoophardness
480
StandardSizes
Thicknesses
Packing
1150x850mm
0.7-25.4
SmallwoodencaseorTriwall
1700x1300mm
16.0-21.0mm
Largewoodencase
2300x1700mm
3.3-15.0mm
Largewoodencase
Max.dimensionsforstocksizes:
3000x2300mm(Thicknesses5.5-9.0mm)
Minimumdimensionsforstocksizes:
700x575mm