Comparison ledger
Lapmaster 15, Strasbaugh 7 AF Back, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 15Lapmaster | 7 AF BackStrasbaugh |
|---|---|---|
| OEM | Lapmaster | Strasbaugh |
| Category | Dicing & Grinding | Dicing & Grinding |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | 1999 Vintage year |
| Control system | — | — |
| Generation | — | — |
| Family | Lapmaster 15 | Strasbaugh 7 AF Back |
| Specifications | ||
| Input Power | 110 Vac[1] | — |
| Plate Diameter | 15 inches (381 mm)[2] | — |
| Number of Conditioning Rings | 3[2] | — |
| Ring ID | 5.5 inches (140 mm)[2] | — |
| Standard RPM | 60[2] | — |
| RPM Range (Variable Speed Drive) | 0-60[2] | — |
| Drive Motor - Lapper | 0.5 HP (0.37 kW)[2] | — |
| Drive Motor - Polisher | 0.75 HP (0.56 kW)[2] | — |
| Length | 25 inches (635 mm)[2] | — |
| Width | 20 inches (508 mm)[2] | — |
| Height | 24 inches (610 mm)[2] | — |
| Estimated Shipping Weight | 285 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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