Standard Loop Filaments
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E.M.S. Filament Features:
- A rigid attachment of the filament wire to the post - no possiblity of waving.
- Minimum tip radius for coherent beam.
- Polished post ends.
- Precise dimensioning.
- Bases can be cleaned and rebuilt many times.
- Better long-term economy.

STANDARD LOOP FILAMENTS for: AEI, Cambridge S Series, Novascan, Semco, and Nanolab.
| 81020 |
New Filament |
10/box |
212.00 |
 |
| *81020-R |
Rebuilt Filament |
each |
15.00 |
 |

STANDARD
LOOP FILAMENTS for: All Amray instruments (except Amray 1200 Series).
| 81024 |
New Filament |
10/box |
385.00 |
 |
| *81024-R |
Rebuilt Filament |
each |
17.00 |
 |

STANDARD LOOP FILAMENTS for: Amray 1200 Series, Balscan, Camscan, Siemens, Cambridge (S-410, Mark II).
| 81028 |
New Filament |
10/bx |
695.00 |
 |
| *81028-R |
Rebuilt Filament |
each |
20.00 |
 |

STANDARD LOOP FILAMENTS for: ARL Instruments.
| 81030 |
New Filament, 4 mil wire |
10/bx |
438.00 |
 |
| 81032 |
New Filament, 5 mil wire |
10/bx |
438.00 |
 |
| *81030-R |
Rebuilt Filament, 4 mil wire |
each |
17.50 |
 |
| *81032-R |
Rebuilt Filament, 5 mil wire |
each |
17.50 |
 |

STANDARD LOOP FILAMENTS for: ETEC instruments
| 81034 |
New Filament |
10/bx |
650.00 |
 |
| *81034-R |
Rebuilt Filament |
each |
17.00 |
 |

STANDARD LOOP FILAMENTS for: ISI Instruments.
| 81036 |
New Filament, 2-prong |
10/bx |
416.00 |
 |
| 81038 |
New Filament, 3-prong |
10/bx |
416.00 |
 |
| *81036-R |
Rebuilt Filament, 2-prong |
each |
17.00 |
 |
| *81038-R |
Rebuilt Filament, 3-prong |
each |
17.00 |
 |

STANDARD LOOP FILAMENTS for: Zeiss Instruments.
| 81040 |
New Filament |
10/bx |
700.00 |
 |
| *81040-R |
Rebuilt Filament |
each |
18.00 |
 |

STANDARD LOOP FILAMENTS for: JEOL K-Type
| 81041 |
New Filament |
10/bx |
650.00 |
 |
| 81041-R |
Rebuilt Filament |
each |
18.00 |
 |

STANDARD LOOP FILAMENTS for: JEOL (JSM 35 series)
| 81042 |
New Filaments |
10/bx |
400.00 |
 |
| *81042R |
Rebuilt Filament |
each |
18.00 |
 |

STANDARD LOOP FILAMENTS for: Philips
| 81044 |
New Filament |
10/box |
342.00 |
 |
| *81044-R |
Rebuilt Filament |
each |
17.00 |
 |

STANDARD LOOP FILAMENTS for: Hitachi S-Type
| Material Tungsten |
- |
100% |
| Wire Size (in./mm) |
|
.004/0.1 |
| Tip Angle |
|
17.5 deg. (Nominal) |
| Height Above Base (in./mm) |
|
0.775/19.7 |
| Operating Temp. (K) |
|
2800 (Typical) |
| Work Function (eV) |
|
4.5 |
| Energy Spread (eV) |
|
6.0 (Prox.) |
| Vacuum Level |
|
1 x 10-5 Torr (Min.) |
| Cathode Life (h) |
|
200 (Prox) |
| 81022 |
New Filament |
10/box |
440.00 |
 |
| *81022-R |
Rebuilt Filament |
each |
13.00 |
 |
*Rebuilding Services
The base assembly of all of our new filaments are guaranteed to be
rebuildable for the lifetime of the electron beam instrument. All
of our filaments, new or rebuilt, are inspected for consistent quality
and performance before being shipped to you. Return the base and we
Filament Rebuilding Services Include: Reconditioning of the
base; cleaning and/or replacement of necessary parts; Installment
of new standard loop or special filament tip; Pre-centering; Vacuum
normalizing; and Microscopic inspection.