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Excess Inventory Sale



   

Excess (Surplus) Inventory Sale:
We often have excess inventory (surplus) of many items. Please see the list below for items, and pricing. Items are sold on first-come basis, however, we will make the best effort to fulfill your requirements.

Send e-mail to Request a Quote for any items you see below.

Silicon (Si) Wafers
You may order even quantity of one. Shipping extra.

Item Specifications Qty Price
2" dia Silicon Wafers
1 2” dia. x 254-304 micron thick
<111>, P/B, SSP, 1 SEMI Flat
Res: 10-20 ohm-cm
PRIME GRADE

15

25

$14/ea

$14/ea

2 2” dia. x 245-295 micron thick
<111>, N/Ph, SSP, 2 SEMI Flats
Res: 1-20 ohm-cm
PRIME GRADE

15

25

 

$15/ea

$15/ea

 
3 2” dia. x 15 +/-1 mils thick
<110>, P/B, DSP, CZ
Res: >100 ohm-cm
Prim/Sec Flats: <111> +/- 0.25 deg
PRIME GRADE
0 $43/ea
4 2” dia. x 254-304 micron thick
<100>, N/As, SSP, 1 SEMI Flat
Res: < 0.005 ohm-cm
PRIME GRADE
15 $21/ea
5

6 2” dia. x 256-306 microns thick
<100>, P/B, SSP
Res: 7-14 ohm-cm
PRIME GRADE

25

25

$12/ea

$12/ea

7 2” dia. x 256-306 microns thick
<100>, P/B, SSP
Res: 1-5 ohm-cm
PRIME GRADE

25

25

$12/ea

$12/ea

3" dia Silicon Wafers
1 3” dia. x 15 +/-1 mils thick
<100>, N/Ph, SSP, CZ
Res: 7-21 ohm-cm
PRIME GRADE
12 $18/ea
2 3” dia. x 15 +/-2 mils thick
<100>, N/Ph, SSP, CZ
Res: 1-10 ohm-cm
TEST GRADE
2 $16/ea
3 3” dia. x 15 +/-2 mils thick
<100>, P/Bo, SSP, CZ
Res: 5-15 ohm-cm
TEST GRADE
18 $15/ea
4 3” dia. x 356-406 microns thick
<100>, P/B, SSP, CZ
Res: 0.01-10 ohm-cm
PRIME GRADE
22 $17/ea
5

Si Wafer (Prime Grade)

3” dia x 275-325 microns thick
<110>, P/B doped, SSP, CZ
Res: 0.0055-0.10 ohm-cm

SEMI-Std Flats

25 $15/ea
6 3” dia. x 475-525 microns thick
<111>, P/B, SSP, CZ
Res: 1-5 ohm-cm
PRIME GRADE (SEMI Flat)

25

$15/ea

7 3” dia. x 356-406 microns thick
<111>, P/B, SSP, CZ
Res: 0.0055-0.01 ohm-cm
PRIME GRADE
15 $18/ea
8 75.7-76.7mm dia. x 381 +/-15 micron thick
<111>, P/B, SSP, CFZ (Topsil)
Res: 75 -125 ohm-cm
Life time: >200 microsec.
PRIME GRADE
13 $35/ea
9 3” dia. x 350-400 microns thick
<111>, P/B, SSP
Res:> 5000 ohm-cm
PRIME GRADE (SEMI Flat)
24 $37/ea
4" dia Silicon Wafers
1 100mm dia. x 500-550u thick
<100>, N/Ph, SSP, CZ
Res: 1-10 ohm-cm
PRIME GRADE
0 $23/ea
2 100mm dia. x 500-550u thick
<100>, N/Ph, SSP, CZ
Res: 1-40 ohm-cm
PRIME GRADE
8 $18/ea
3 100mm dia. x 505-545u thick
<100>, N/Ph, SSP, CZ
Res: 1-5 ohm-cm
PRIME GRADE
15 $19/ea
4 4" dia. x 375-425u thick
<100>, N/Ph, SSP, FZ
Res: 2000-5000 ohm-cm
PRIME GRADE (2 Semi-Std Flats)
10 $45/ea
5 100mm dia. x 400-450u thick
<100>, N/As, SSP, CZ
Res: 0.002-0.005 ohm-cm
PRIME GRADE
21 $20/ea
6 100mm dia. x 500-550u thick
<100>, P/B, SSP, CZ
Res: 0.01-0.02 ohm-cm
PRIME GRADE

 

0

 

$18/ea

7 100mm dia. x 505-545u thick
<100>, P/B, SSP, CZ
Res: 1-10 ohm-cm
PRIME GRADE

12

$18/ea

8 100mm dia. x 500-550u thick
<111>, P/B, SSP, CZ
Res: 1-40 ohm-cm
PRIME GRADE
10 $18/ea
9 100mm dia. x 500-550u thick
<111>, P/B, SSP, CZ
Res: 10-20 ohm-cm
PRIME GRADE
50 $15/ea
10 100mm dia. x 500-550u thick
<111>, P/B, SSP, CZ
Res: 1-2 ohm-cm
PRIME GRADE
25 $20/ea
4" dia Oxidized Silicon Wafers
1

100mm dia. x 475-525u thick
<100>, P/B, DSP, CZ
Res: 0.001-0.005 ohm-cm
PRIME GRADE, SEMI FLATS

Oxide Layer: 2um +/- 5%

5

$35/ea

2

100mm dia. x 500-550u thick
<100>, P/B, DSP, CZ
Res: 1-10 ohm-cm
PRIME GRADE, SEMI FLATS

Oxide Layer: 2um +/- 5%

5

$35/ea

3

100mm dia. x 500-550u thick
<100>, P/B, DSP, CZ
Res: 1-10 ohm-cm
PRIME GRADE, SEMI FLATS

Oxide Layer: 4um +/- 5%

4

$45/ea

4

100mm dia. x 500-550u thick
<100>, N/Ph, SSP, CZ
Res: 1-30 ohm-cm
PRIME GRADE, SEMI FLATS

Thermal Oxide Layer: 3um +/- 5%

5

$30/ea

2" dia Epi-layered Silicon Wafers
1 Si, Epi-layered wafer
Substrate: 2" dia <111>, N/As
Resistivity: 0.002-0.004 ohm-cm
Epi Layer: N/N+
Epi Thickness: 7 microns ±10%
Epi Res: ~1 ohm-cm
1 $20/ea
2 Si, Epi-layered wafer
Substrate: 2" dia <111>, N/As
Resistivity: 0.002-0.004 ohm-cm
Epi Layer: N-/N+
Epi Thickness: 23-33 microns
Epi Res: 1000-1500 ohm-cm
3 $20/ea
3 Si, Epi-layered wafer
Substrate: 2" dia <111>, N/As
Resistivity: 0.001-0.003 ohm-cm
Epi Layer: N/N+
Epi Thickness: 7-8 microns ±10%
Epi Res: ~1-2 ohm-cm
10 $20/ea
4 Si, Epi-layered wafer
Substrate: 2" dia <111>, N/Sb
Epi Layer: P+/N-/N+
Epi Thickness: 10-12 microns ±10%
Epi Res: >100 ohm-cm
2 $33/ea
5 Si, Epi-layered wafer
Substrate: 2" dia <111>, N/As
Resistivity: 0.003-0.004 ohm-cm
Epi Layer: N/N+
Epi Thickness: 10-12 microns ±10%
Epi Res (N-): 600-700 ohm-cm
1 $30

Gallium Arsenide (GaAs) Wafers
You may order even quantity of one. Shipping extra.

Item Specifications Qty Price
1 50.8mm dia x 19.0 mils thick
<100> 0.8 deg <110>
Si doped, SSP, PRIME
CC: 6-8.6 E17
EPD: 1056/4747 (front/tail)
2 $85/ea
2 50.0mm dia x 350 +/-25u thick
<100> +/-0.5 deg
S-I Undoped, DSP, PRIME
Res: 1.2-1.5 E8
EPD: <5000 (AXT make)
8 $95/ea
3

2" dia x 500u thick
<100> +/-0.5 deg
Si doped, SSP, PRIME (HBGaAs)

CC: ~1E19, Res: ~0.006 Ohm-cm
EPD: ~500 (Sumitomo make)

4 $73/ea
4

50.0mm dia x 350 +/-25u thick
<100> +/-0.5 deg

P-type (Zn doped)

1 $115
5

4" dia x 600-635u thick
<100> +/-0.5 deg
S-I, DSP, PRIME (VB Growth)

Res:1.1-1.8 E8 (doped controlled)
EPD: ~10K (Sumitomo make)

2 $125/ea

Lithium Niobate (LiNbO3) wafers
You may order even quantity of one. Shipping extra.

Item Specifications Qty Price
1 X-cut (SAW)
4” dia x 0.040” thick
Side 1 polished/Side 2 ground
10 $170/ea

Misc. Items

Item Specifications Qty Price
Lasers/Laser Diodes
1 635nm/5mW output Laser Diode
Circular, diverging Beam
NA: ~0.11
Built-in monitor photodiode
Standard 9mm package
1 $90/ea
2 658nm/35mW output Laser Diode
Circular, diverging Beam
NA: ~0.11
Built-in monitor photodiode
Standard 5.6mm package
4 $85/ea
3

670nm/10mW output Laser Diode
Circular, diverging Beam
NA: ~0.11

VPSL0670-010-x-5-B
Built-in monitor photodiode
Standard 5.6mm package

5 $
4

850nm/50mW output Laser Diode
Circular, diverging Beam 

( NA: ~0.11)

VPSL0850-050-x-5-B
Built-in monitor photodiode
Standard 5.6mm package

5 $
5

810nm/50mW output Laser Diode

SDL-5401-G1 (9mm package)

Actual wavelength: 810nm

1 $ 395/ea
6

852nm/50mW output Laser Diode

SDL-5401-G1 (9mm package)

Actual wavelength: 853nm

3 $ 395/ea
7

810nm/100mW output Laser Diode

SDL-5411-G1 (9mm package)

Actual wavelength: 814nm

1 $ 525/ea
Pyrex 7740 
1 Pyrex 7740 substrates
1” x 1” x 1mm thick
Both sides polished to <20A
15 $17/ea
2 Pyrex 7740 substrates
2” x 2” x 1mm thick
Both sides polished to <20A
10 $19/ea
3 Pyrex 7740 substrates
100mm dia x 1mm thick
Both sides polished to <20A
2 $
4

Pyrex 7740 substrates

(with 1 flat)
100mm dia x 0.5mm thick
Both sides polished to <20A 

3 $37/ea
5

Pyrex 7740 substrates

(with 2 flats)
100mm dia x 0.5mm thick
Both sides polished to <20A 

2 $37/ea
6

Pyrex 7740 substrates

(no flats)
100mm dia x 0.5mm thick
Both sides polished to <20A 

15 $39/ea
7

Pyrex 7740 Disc
10mm dia x 0.5mm thick
Both sides polished to 60/40 

18 $8.50/ea
8

Pyrex 7740 Substrate
10mm x 10mm x 2mm thick
Both sides polished to 60/40 

19 $12/ea
9

Pyrex 7740 Disc
6" dia x 5mm thick
Both sides polished to 60/40 

2 $75/ea

Quartz

1

Clear Quartz Substrate
10mm x 10mm x 0.55mm thick
Both sides polished to 60/40 

Edges as cut (not machined)

10 $11/ea
2

Clear Quartz Substrate
1" x 1" x 1mm thick
Both sides polished to 60/40 

15 $9/ea
3

Clear Quartz Window
1" dia x 0.05" thick
Both sides polished to 60/40 

0 $9/ea
4

Clear Quartz Substrate
1" x 3" x 1mm thick
Both sides polished to 60/40 

10 $11/ea
5 Quartz SAW Wafer (with Flat)
* 100mm dia. x 0.5mm Thick
* 42°45' ± 6' (ST Cut)
 
* 1 side polished/Back side finish
$38/ea
Substrates (various)
1

BeO substrate, 99.5%

2" x 2" x 0.040" thick

As-fired (15u), 2 sawn edges

2 $19/ea
2

MgO Substrate <100>

10mm x 10mm x 0.5mm thick

One side, epi-polished

10 $19/ea
3

Sapphire (Al2O3) Substrate <0001>

10mm x 10mm x 0.5mm thick

Both sides, epi-polished

2 $27/ea
4

Sapphire (Al2O3) Substrate <0001>

10mm x 10mm x 1mm thick

Both sides, epi-polished

2 $41/ea

High Purity Materials

1

A-1181
Aluminum (Al), metal, 99.999%
Size:3.9mm x 2.5mm pcs

100g

$105

2

Aluminum (Al), powder, 99.8%

250g

$ 25

3

Cadmium (Cd) shot, 99.9999%

1-3mm pcs (Puratronic)

11351 (Johnson Matthey)

1Kg $650/Kg
4

M-1034
Manganese, metal, 99.99%
Size:3-12mm pcs (vac dep grade)

100g $
5

Magnesium Boride (MgB2), ~99.5%

Powder

300g $50
6

N-1089
Nickel, metal powder, 99.9%
Size: ~5 microns (vac dep grade)

500g $ 50
7

N-1023
Nickel, metal powder, 99.9%
Size: -325mesh (vac dep grade)

500g $ 70
8

N-1099
Nickel (Ni), metal, 99.9%
Size:6-12mm dia spheres
        

(vac dep grade)

0 $ 99
9
10

S-2085
Silicon Monoxide, 99.9%
Size: 8-15mm pcs (vac dep grade)
(can be repacked for smaller qty)

4 x 

1kg

$175/kg
11

Silicon Monoxide, 99.9%
Size:-10mesh powder

(vacuum deposition grade)

50g

$25
12

Silicon Lump, 99.9999%

0.1-2.5cm pcs

43006 (Johnson Matthey)

0 $385
13

T-1218

Tin Oxide (SnO2), 99.9%

3-12mm pcs

250g $
14

Tin Oxide (SnO2), powder, 99.99%

100 mesh

100g $ 85
15

Vanadium (V) Oxide (V2O5)

99.995% (-22mesh powder)

10904 (Johnson Matthey)

100g $725
16

Yttrium (III) Oxide, 99.99%

Powder, REacton

(Johnson Matthey)

1Kg $225
17

Zinc shot, 99.9999%

1-3mm pcs (Puratronic)

10760 (Johnson Matthey)

1Kg $595/Kg
18

19

Z-2000

Zinc Selenide (ZnSe), 99.999%

1-3mm pcs (cvd grade)

50g $ 40
High Purity Wires
1 Aluminum (Al) Wire, 99.9%
0.040" dia x 25m (spool)
1 $ 50
2 Aluminum (Al) Wire, 99.99%
0.040" dia x 30m (spool)
1 $ 90
3 Aluminum (Al) Wire, 99.99%
1.5mm dia x 22m (spool) ~106g
0 $ 245
4 Indium (In) Wire, 99.999%
2mm dia x 4 ft long (spool)
0 $150
5 Silver (Ag) Wire, 99.99%
1mm dia x 10m long (spool)
0 $165
6 Silver (Ag) Wire, 99.99%
1mm dia x 50m long (spool)

1

1

$550

$550

7

Titanium (Ti) Wire, 99.99%
1mm (0.040") dia

0 $ 85
8

Tungsten Wire, 99.98%
0.5mm (0.020") dia

0 $7.95/m
MISC
1

CMOS 1421 (Fairchild Imaging)

2048 x Linear Image Sensor

1 $150
2
3

MKS 1479A Mass Flow Controller

P/N: 1479A13CR1BM
- Swagelok 4VCR fittings
- 15-pin 'D' connector
- 0 to 1 SLM (H2 gas calibrated)

- New in box

1 $1,050
4

Wesgo/Morgan Brazing Alloy

NICORO BAU-3 Sheet

2.0" wide x 0.004" thick

50g $11/gm
5

Nippon/Chemi-Con Capacitor

P/N: 36DY563F100DJ2D

56KuF, 100V

3" dia x 8.5" L

5 $25/ea
6

50In/50Pb Solder, 99.99% pure

0.062" dia solid wire

1Kg spool

(Cookson/Arconium make)

spool

$950/ea
7

Soldering Station (brand new)

Weller

1
8

He-Ne Laser Head

~7-8mW output power

Xerox (surplus stock)

4 $120/ea
9

10

Interference Filter

488.2nm/9.7nmFWHM/81% Tx

1/2" dia mounted

0 $35/ea
11

Interference Filter

632.8nm/3nmFWHM/35% Tx

1/2" dia mounted

1 $40/ea
12

Interference Filter

635.2nm/8.9nmFWHM/75% Tx

2" dia mounted x ~0.25" thick

1 $95/ea
13

Interference Filter

760.7nm/10.2nmFWHM/50% Tx

2" dia mounted x ~0.25" thick

1 $95/ea
14

Interference Filter

800nm/15nmFWHM/55% Tx

0.785" dia, unsealed, unmounted

15 $15/ea
15

Chromosorb W HP

100-120 mesh

100g bottle

1 $195/ea
16

RG8U Coax Cable Assembly

3m long (shielded)

N-N Male connectors (crimped)

2 $55/ea
17

GBIC Module
1000Base-SX short wavelength
850nm Laser (multimode only)

Cisco (WS-G5484)

1 $25/ea
18

Apiezon 'L' UHV Grease

25g Tube

1 $
19

Hubbell Connector (Male)

HBL45315 (4-Pole)

1 $ 15
20

TORR Seal (Varian)

Resin/Hardener (expiry Date: 10/2011)

2 $ 28

Last updated Mar 9, 2010

Copyright 2003-2010 VIN KAROLA INSTRUMENTS. All rights reserved.

 
 

Excess Inventory 

- Silicon Wafers

- GaAs Wafers

- LiNbO3 Wafers

- Pyrex 7740

- SiO

- Misc. items

     
 
 

Nickel Powder

 

Laser Diodes