Waferpedia

Comparison ledger

15versus7 AF Back

Lapmaster 15, Strasbaugh 7 AF Back, side by side. Every value shown is drawn from the cited encyclopedia entries.

Side-by-side comparison of selected equipment models
Attribute
15Lapmaster
7 AF BackStrasbaugh
OEMLapmasterStrasbaugh
CategoryDicing & GrindingDicing & Grinding
Wafer size——
Process node——
Introduced——
Production run——
Lifecycle——
Lifecycle milestones—1999 Vintage year
Control system——
Generation——
FamilyLapmaster 15Strasbaugh 7 AF Back
Specifications
Input Power110 Vac[1]—
Plate Diameter15 inches (381 mm)[2]—
Number of Conditioning Rings3[2]—
Ring ID5.5 inches (140 mm)[2]—
Standard RPM60[2]—
RPM Range (Variable Speed Drive)0-60[2]—
Drive Motor - Lapper0.5 HP (0.37 kW)[2]—
Drive Motor - Polisher0.75 HP (0.56 kW)[2]—
Length25 inches (635 mm)[2]—
Width20 inches (508 mm)[2]—
Height24 inches (610 mm)[2]—
Estimated Shipping Weight285 lbs (129.3 kg)[2]—
Phase—3 Phase[3]
Voltage—230 V[3]
Configuration—Can run 8" Silicon[5]
Full Load Amps—45 A[6]
Wafer Sizes—8 inch[5]
Electrical—230 Vac / 208 Vac - Three Phase, 60 Hz - 45 Full Load Amps (50 Hz available)[5]
Clean Dry Air—25 SCFM at 90 PSI minimum (25 SCFM = 707.92 L/min)[5]
Exhaust—250 CFM at 1/2-inch of water static pressure - one 5-inch duct (250 CFM = 424.7525 m³/h)[5]
Grinding Coolant—D.I. water; 6 GPM at 30 PSI minimum, 50 PSI maximum (6 gal/m = 1.3627 m³/h)[5]
Spindle Coolant—Municipal or chilled water; 1 GPM at 30 PSI minimum, 80 PSI maximum (1 gpm = 3.7854 lpm)[5]
Industrial Waste—2-inch pipe[5]
Vacuum—5 CFM at 25 inches Hg (5 cubic feet per minute = 141.58 liters per minute at 846 mbar)[5]
Weight (grinding area section)—5200 LBS = 2'358 kg[5]
Weight (handling area section)—2300 LBS = 1'043 kg[5]
Voltage (asset 133182)—230 V, 3 Phase[3]
Voltage (asset 133113)—208 V, 3 Phase[4]
(2) P/N—106195 Brain boards[5]
(1) P/N—106561 Cleaning brush motor[5]
Wafer size—8 inch[5]
Electrical - voltage option 1—3-phase, 208 V[4]
Electrical - voltage option 2—3-phase, 230 V[3]
Electrical - voltage option 3—3-phase, 480 V[5]
Grinding area section weight—5,200 lbs (2,358 kg)[5]
Handling area section weight—2,300 lbs (1,043 kg)[5]
Clean dry air requirement—25 SCFM at 90 PSI minimum (707.92 L/min)[5]
Exhaust requirement—250 CFM at 1/2-inch water static pressure, one 5-inch duct (424.75 m³/h)[5]
Grinding coolant requirement—D.I. water; 6 GPM at 30-50 PSI (1.3627 m³/h)[5]
Spindle coolant requirement—Municipal or chilled water; 1 GPM at 30-80 PSI (3.7854 L/min)[5]
Industrial waste pipe—2-inch pipe[5]
Vacuum requirement—5 CFM at 25 inches Hg (141.58 L/min at 846 mbar)[5]
Vintage (unit year)—1999[5]
OEM—Strasbaugh[3]
Model—7 AF[3]
Equipment type—Back Grinder[3]

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Sources (6)Every fact above is drawn from these public sources
  1. [1]inventory listing
  2. [2]web.archive.orgweb.archive.org
  3. [3]inventory listing
  4. [4]inventory listing
  5. [5]inventory listing
  6. [6]inventory listing