STP-L301C
Edwards corrosion resistant STP-L301(C) is for use in electron microscopes and semiconductor applications. Edwards rotor technology gives class-leading performance for maximum process flexibility.
 
The STP-L301(C) has been approved for use by major equipment manufacturers in the scientific instrument, semiconductor and magnetic media industries.
Features and Benefits
- Advanced rotor technology
        Maximized process flexibility
        Oil free
        Low vibration
        High reliability
        Maintenance free
- Advanced controller design
        Auto tuning
        Self diagnostic functions
        d.c. motor drive
        Battery-free operation
- Compact design
        Small footprint
        Half rack controller
- Low vibration
        Built in vibration isolation system gives improved performance over STP301C and external isolator
Applications
- Plasma etch (chlorine, fluorine and bromine chemistries) for metal (aluminum), tungsten and dielectric (oxide) and polysilicon
- Electron cyclotron resonance (ECR) etch
- Film deposition CVD, PECVD, ECRCVD, MOCVD
- Sputtering
- Ion implantation source, beam line pumping end station
- MBE
- Diffusion
- Photo resist stripping
- Crystal/epitaxial growth
- Wafer inspection
- Load lock chambers
- Scientific instruments: surface analysis, mass spectrometry, electron microscopy
- High energy physics: beam lines, accelerators
- Radioactive applications: fusion systems, cyclotrons
| Inlet flange | ISO100, CF100 | 
| Outlet port | KF25 | 
| Purge port | KF10 | 
| Pumping Speed | |
| N2 | 260 ls-1 | 
| H2 | 290 ls-1 | 
| Compression ratio | |
| N2 | >108 | 
| He | 5 x 105 | 
| H2 | 2 x 104 | 
| Ultimate pressure with bake out heating (VG/ISO flange) | 6.5 x 10-6 Pa | 
| (5 x 10-8 Torr) | |
| Ultimate Pressure with bake out heating (ICF flange) | 10-8 Pa | 
| (10-10 Torr) | |
| Max allowable inlet pressure ambient cooled | 6.7 x 10-2 Pa | 
| (5 x 10-4 Torr) | |
| Max continuous outlet pressure ambient cooled | 13 Pa | 
| (0.1 Torr) | |
| Rated speed | 48000 rpm | 
| Starting time | 3 min | 
| Maximum inlet flange temperature | 120 °C | 
| Input voltage | 100 to 120 (± 10) V a.c. or | 
| 200 to 240 (± 10) V a.c. | |
| Power consumption at start up | 0.55 kVA | 
| Pump weight | 13 kg | 
| Controller weight | 7 kg | 
