Waferpedia

Comparison ledger

850versus1 WBS 1 Wafer Substrate

EV Group 850, Logitech 1 WBS 1 Wafer Substrate, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
850EV Group
OEMEV GroupLogitech
CategoryPackaging & BondingPackaging & Bonding
Wafer size——
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
FamilyEV Group 850Logitech 1 WBS 1 Wafer Substrate
Cited variants—
Specifications
Wafer sizes2, 3, 4, 5, 6, 8, 12 inch[3]—
Vintage2005 Vintage[3]—
Wafer diameter (LT)100 - 200, 150 - 300 mm[1]—
Operation (LT)Fully-automated cassette-to-cassette operation[1]—
Alignment type (LT)Flat-to-flat or notch-to-notch[1]—
Alignment accuracy (LT)X and Y: ± 50 µm, Theta: ± 0.1 °[1]—
Bond force (LT)Up to 5 N[1]—
Vacuum system (LT)9x10-2 mbar standard; 9x10-3 mbar option with turbo pump[1]—
Standard process gases (LT)N2 and O2[1]—
Additional process gases (LT)High purity gases (99.999%), noble gases (Ar, He, Ne, etc.), forming gases (N2, Ar with up to 4 % H2)[1]—
Cleaning methods (LT)Rinse standard; megasonic nozzle, megasonic area transducer, jet nozzle, brush optional[1]—
Cleaning media (LT)DI-water standard; NH4OH and H2O2 with max. 2 % concentration option[1]—
Spinner chuck rotation (LT)Up to 3000 rpm in 5 s[1]—
Wafer diameter (TB)Up to 300 mm, oversized carrier possible[2]—
Operation (TB)Fully automated temporary wafer bonding of a substrate on a rigid carrier[2]—
Wafer Size—6 inch[4]

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Sources (4)Every fact above is drawn from these public sources
  1. [1]evgroup.comevgroup.com
  2. [2]evgroup.comevgroup.com
  3. [3]Equipment inventory listing
  4. [4]Equipment inventory listing