Strasbaugh
7 AF Back
The Strasbaugh 7 AF Back Grinder is a semiconductor back-grinding tool used to thin wafers. The Strasbaugh 7 AF Back Grinder can process 8-inch silicon wafers. The Strasbaugh 7 AF Back Grinder requires 3-phase electrical power at 208 V, 230 V, or 480 V.[1]
What it is
Applications
General reference — not yet source-verifiedThinned wafers are used in memory, logic, and power devices where reduced thickness is necessary for thermal management or form factor.
What do the numbers mean?
Power & electrical19
Vacuum & pumping16
- 25 SCFM at 90 PSI minimum (25 SCFM = 707,92 Liters Per Minute (L/min))[1]
- Exhaust:[1]
- 250 CFM at 1/2-inch of water static pressure[1]
- D.I. water; 6 GPM at 30 PSI minimum, 50 PSI maximum (6 gal/m = 1.3627 m³/h)[1]
- Municipal or chilled water; 1 GPM at 30 PSI minimum, 80 PSI maximum (1 gpm = 3.7854 lpm)[1]
- Exhaust
- 250 CFM at 1/2-inch of water static pressure - one 5-inch duct (250 CFM = 424.7525 m³/h)[1]
- Grinding Coolant
- D.I. water; 6 GPM at 30 PSI minimum, 50 PSI maximum (6 gal/m = 1.3627 m³/h)[1]
- Spindle Coolant
- Municipal or chilled water; 1 GPM at 30 PSI minimum, 80 PSI maximum (1 gpm = 3.7854 lpm)[1]
- Vacuum
- 5 CFM at 25 inches Hg (5 cubic feet per minute = 141.58 liters per minute at 846 mbar)[1]
- Exhaust requirement
- 250 CFM at 1/2-inch water static pressure, one 5-inch duct (424.75 m³/h)[1]
- Spindle coolant requirement
- Municipal or chilled water; 1 GPM at 30-80 PSI (3.7854 L/min)[1]
Wafer handling2
Control & software1
Dimensions & facilities6
Configuration & options21
Vintage & configurations
- 1999Vintage year[1]
1999 Vintage
What replaced it?
Alternatives
Tools documented as functional equivalents — same process step and wafer size, from a different manufacturer. Each equivalence cites its source.
- Disco DTG 8460 Taiko— Same function class: Dicing & Grinding, nullCompare in depthsource[6]
- Disco DAD 340 Wafer— Same function class: Dicing & Grinding, nullCompare in depthsource[7]
- Disco DAG 810 Back— Same function class: Dicing & Grinding, nullCompare in depthsource[8]
What does it need to run?
Site utility requirements, footprint, and infrastructure needed to install and operate this tool. Sourced from public records.
- Phase3 Phase[4]
- Voltage230 V[4]
- Voltage208 V[5]
- Voltage480V[1]
- ConfigurationElectrical:[1]
- Voltage230 Vac / 208 Vac[1]
- PhaseThree Phase, 60 Hz[1]
- Configuration45 Full Load Amps (50 Hz available)[1]
- Configuration25 SCFM at 90 PSI minimum (25 SCFM = 707,92 Liters Per Minute (L/min))[1]
- ConfigurationExhaust:[1]
- Configuration250 CFM at 1/2-inch of water static pressure[1]
- ConfigurationD.I. water; 6 GPM at 30 PSI minimum, 50 PSI maximum (6 gal/m = 1.3627 m³/h)[1]
- ConfigurationMunicipal or chilled water; 1 GPM at 30 PSI minimum, 80 PSI maximum (1 gpm = 3.7854 lpm)[1]
- Configuration208 Voltage[2]
- Full Load Amps45 A[2]
- Electrical230 Vac / 208 Vac - Three Phase, 60 Hz - 45 Full Load Amps (50 Hz available)[1]
- Clean Dry Air25 SCFM at 90 PSI minimum (25 SCFM = 707.92 L/min)[1]
- Exhaust250 CFM at 1/2-inch of water static pressure - one 5-inch duct (250 CFM = 424.7525 m³/h)[1]
- Grinding CoolantD.I. water; 6 GPM at 30 PSI minimum, 50 PSI maximum (6 gal/m = 1.3627 m³/h)[1]
- Spindle CoolantMunicipal or chilled water; 1 GPM at 30 PSI minimum, 80 PSI maximum (1 gpm = 3.7854 lpm)[1]
- Vacuum5 CFM at 25 inches Hg (5 cubic feet per minute = 141.58 liters per minute at 846 mbar)[1]
- Voltage (asset 133182)230 V, 3 Phase[4]
- Voltage (asset 133113)208 V, 3 Phase[5]
- (2) P/N111017 Valves (Vacuum supply)[1]
- Electrical - voltage option 13-phase, 208 V[5]
- Electrical - voltage option 23-phase, 230 V[4]
- Electrical - voltage option 33-phase, 480 V[1]
- Clean dry air requirement25 SCFM at 90 PSI minimum (707.92 L/min)[1]
- Exhaust requirement250 CFM at 1/2-inch water static pressure, one 5-inch duct (424.75 m³/h)[1]
- Grinding coolant requirementD.I. water; 6 GPM at 30-50 PSI (1.3627 m³/h)[1]
- Spindle coolant requirementMunicipal or chilled water; 1 GPM at 30-80 PSI (3.7854 L/min)[1]
- Vacuum requirement5 CFM at 25 inches Hg (141.58 L/min at 846 mbar)[1]
- Electrical3 Phase, 230 V[4]
- Electrical3 Phase, 208 V[5]
- Electrical3 Phase, 480V[1]
Where are the manuals?
Generated from public-source data on file. Enter your email to access — nothing is published; details are routed privately.
Not publicly documented
Field notes
No research found yet — worked with this tool? Share what you know.
Frequently asked questions
What wafer size does the Strasbaugh 7 AF support?
The Strasbaugh 7 AF can run 8-inch silicon wafers.[1]
What voltage configurations are available for the Strasbaugh 7 AF?
The Strasbaugh 7 AF is a three-phase machine available with 208 V, 230 V, or 480 V input.[4][5][1]
What are the weight specifications of the Strasbaugh 7 AF?
The grinding area section weighs 5200 lb and the handling area section weighs 2300 lb.[1]
Not publicly documented
The following facts about the 7 AF Back are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented variants, configuration options, or revision breakpoints of the 7 AF Back are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the 7 AF Back are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the 7 AF Back are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the 7 AF Back is not on record.
Answerable by: an OEM datasheet or a fab qualification report
No publicly documented compatible parts, consumables, or accessories for the 7 AF Back are on record.
Answerable by: an OEM parts catalog or a service engineer
No research found yet — worked with this tool? Share what you know.
Sources & citations
Sources (10)Every fact above is drawn from these public sources
- [1]Equipment inventory listing
- [2]Inventory photo
- [3]Inventory photo
- [4]inventory listing
- [5]inventory listing
- [6]Equipment inventory listing
- [7]Equipment inventory listing
- [8]Equipment inventory listing
- [9]Equipment inventory listing
- [10]Equipment inventory listing
Last updated Oct 11, 2026.
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