Waferpedia

Comparison ledger

3220versusDAG810

Disco 3220, Disco DAG810, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
3220Disco
DAG810Disco
OEMDiscoDisco
CategoryDicing & GrindingDicing & Grinding
Wafer size—4"
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones——
Control system——
Generation——
FamilyDisco 3220Disco DAG810
Specifications
equipment typedicing saw[1]—
Workplace sizeø150 mm[2]—
Spindle layoutSingle[2]—
Spindle output1.5 kW at 30,000 min-1[2]—
Spindle max revolution speed40,000 min-1[2]—
X-axis feed speed range0.1 – 500 mm/s[2]—
Y-axis index step0.0001 mm[2]—
Z-axis repeating accuracy0.001 mm[2]—
Z-axis max blade sizeø58 mm[2]—
Equipment type—compact, automatic grinder[3]
Materials—silicon, III/V materials (GaN, GaAs, InP), and various glass types (pure amorphous SiO2, float glass, pyrex)[3]
Wafer sizes supported by universal vacuum chuck table—4", 5", 6", and 8"[3]
Mechanical frame use—for UV-tape mounted wafers or chips[3]
Spindle—high-rigidity, low-vibration spindle[3]
Grinding wheels—dedicated wheels for coarse and fine silicon grinding, coarse and fine glass grinding, and GaN fine grinding[3]
Probe-height—real-time probe-height from 4" wafer size[3]
User interface—LCD touch screen[3]
Grinding speed—as high as 30 microns/min[3]
Thickness variation—total thickness variation close to one micron[3]
Surface roughness—less than 100 nm[3]
Type—Automatic surface grinder[3]
Wafer sizes supported—4", 5", 6", 8"[3]
Maximum grinding speed—30 microns/min[3]
Total thickness variation (TTV)—~1 micron[3]
Chuck table—One universal vacuum chuck table for 4", 5", 6", 8" wafer sizes[3]
Clamping—One mechanical frame clamping for UV-tape mounted wafers or chips[3]
Cooling method—Water cooling[3]
Materials processed—Silicon, III/V materials (GaN, GaAs, InP), various glass types (pure amorphous SiO2, float glass, pyrex)[3]
Workpiece types—Single wafers, stacked wafers, chips[3]
Wafer size support—4", 5", 6", 8"[3]
Spindle type—High-rigidity, low-vibration spindle[3]
Supported wafer sizes—4", 5", 6", 8"[3]
Wheel types—dedicated grinding wheels: coarse and fine silicon, coarse and fine glass, GaN fine[3]
Thickness reduction phases—2 or 3 different phases with decreasing feed speed[3]
Cooling—water cooling to clear particles and mud[3]
Total thickness variation—close to one micron[3]
Chucking—one universal vacuum chuck table; one mechanical frame clamping for UV-tape mounted wafers or chips[3]
Operation interface—LCD touch screen[3]

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Sources (3)Every fact above is drawn from these public sources
  1. [1]nanofab.utah.edunanofab.utah.edu
  2. [2]semistarcorp.comsemistarcorp.com
  3. [3]epfl.chepfl.ch