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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

Si Wafer (Prime Grade)

2” dia. x 254-304 micron thick
<111>, P/B, SSP, 1 SEMI Flat
Res: 10-20 ohm-cm

 

12

 

$14/ea

2

Silicon Wafer (Prime Grade)

<111>, P/B, CZ

2” dia x 330µ thick

One side polished (P/E)

Res:1-20 ohm-cm

Semi-Std 1 Flat

25

25

25

$11/ea

$11/ea

$11/ea

3

Si Wafer (Prime Grade)

2” dia. x 275-325 micron thick
<111>, N/As, SSP, 2 SEMI Flats
Res: 0.002-0.005 ohm-cm

 

25

 

 

$14/ea

 
4

Si Wafer (Prime Grade)

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

7

 

$15/ea

 
       
5

Si Wafer (Prime Grade)

2” dia. x 275-325 micron thick
<110>, N/Ph, SSP, 2 SEMI Flats
Res: 1-10 ohm-cm (TTV <10u)

 

20

 

 

$30/ea

 
6

Si Wafer (Prime Grade)

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

25

 

$12/ea

7

Si Wafer (Prime Grade)

2” dia. x 256-306 microns thick
<100>, P/B, SSP, CZ
Res: 0.01-0.02 ohm-cm

SEMI-Std Flat

12

$13/ea

 

       
8

Si Wafer (Prime Grade)

2” dia. x 254-304 micron thick
<100>, N/As, SSP, CZ
Res: < 0.005 ohm-cm

SEMI-Std Flat

15 $20/ea
9

Si Wafer (Prime Grade)

2” dia. x 254-304 microns thick
<100>, N/As, SSP, CZ
Res: < 0.005 ohm-cm

SEMI-Std Flat

15

$ 15/ea

 

10

Si Wafer (Prime Grade)

2" dia x 256-306 micron thick

<100>, N/Ph, SSP, CZ

Res: 1-5 ohm-cm

TTV: <10u, Bow/Warp: <40u

SEMI Std 2 Flats

25 $15/ea

11

Si Wafer (Prime Grade)

2" dia x 250-300 micron thick

<100>, N/Ph, SSP, CZ

Res: 1-20 ohm-cm

TTV: <10u, Bow/Warp: <30u

SEMI Std Flat

20 $11/ea
12

Si Wafer (Prime Grade)

2" dia x 310-314 micron thick

<100>, N/Ph, SSP, CZ

Res: 3.5-7.0 ohm-cm

SEMI Std 2 Flats

18 $12/ea
13

Si Wafer (Prime Grade)

2" dia x 500 micron thick

<100>, N/Ph, DSP, FZ

Res: 3500-5500 ohm-cm

SEMI Std 2 Flats

10 $29/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 $15/ea
<100>, P/B
3

Si Wafer (Prime Grade)

3” dia x 356-406 microns thick
<100>, P/B, SSP, CZ
Res: 1-10 ohm-cm

SEMI-Std Flat

25 $15/ea
4 3” dia. x 15 +/-2 mils thick
<100>, P/B, SSP, CZ
Res: 5-15 ohm-cm
TEST GRADE
8 $15/ea
5

Si Wafer (Prime Grade)

3” dia. x 356-406 microns thick
<100>, P/B, SSP, CZ
Res: 0.01-10 ohm-cm

19 $17/ea
6

Si Wafer (Prime Grade)

3” dia x 275-325 microns thick
<100>, P/B, SSP, CZ
Res: 0.0055-0.10 ohm-cm

SEMI-Std Flats

5 $15/ea
7

Si Wafer (Prime Grade)

3” dia x 300-350 microns thick
<100>, P/B, SSP, CZ
Res: 0.01-0.9 ohm-cm

SEMI-Std 1 Flat

11 $17/ea
8

Si Wafer (Prime Grade)

3” dia x 275-325 microns thick
<100>, N/As doped, SSP, CZ
Res: 0.001-0.004 ohm-cm

SEMI-Std Flats

5 $16/ea
9

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

2 $ 15/ea
<111>, P/B
10

Si Wafer (Prime Grade)

3” dia. x 475-525 microns thick
<111>, P/B, SSP, CZ
Res: 1-5 ohm-cm
SEMI-Std Flats

25

$15/ea

11 3” dia. x 356-406 microns thick
<111>, P/B, SSP, CZ
Res: 0.001-0.0099 ohm-cm
PRIME GRADE
18 $18/ea
12

Si Wafer (Prime Grade) Topsil

75.7-76.7mm dia. x 381 +/-15 micron thick
<111>, P/B, SSP, CFZ
Res: 75 -125 ohm-cm
Life time: >200 microsec.

13 $35/ea
13

Si Wafer (Prime Grade)

3” dia. x 350-400 microns thick
<111>, P/B, SSP
Res: > 5000 ohm-cm
SEMI-Std Flat 1

22 $37/ea
4" dia Silicon Wafers
<100>, N/Ph
1

Si Wafer (Prime Grade)

100mm dia. x 460u thick
<100>, N/Ph, SSP, CZ
Res: 2-6 ohm-cm

Semi-Std Flats

25

25

$17/ea

$17/ea

2

Si Wafer (Prime Grade)

100mm dia. x 505-545u thick
<100>, N/Ph, SSP, CZ
Res: 1-5 ohm-cm

15

$19/ea

3

Si Wafer (Prime Grade)

4" dia. x 375-425u thick
<100>, N/Ph, SSP, FZ
Res: 2000-5000 ohm-cm
2 Semi-Std Flats

10 $45/ea
4

Si Wafer (Prime Grade)

100mm dia. x 400-450u thick
<100>, N/As, SSP, CZ
Res: 0.002-0.005 ohm-cm

19 $20/ea
5

<100>, P/B
6

Si Wafer (Prime Grade)

100mm dia. x 505-545u thick
<100>, P/B, DSP, CZ
Res: < 0.01 ohm-cm

SEMI 1 Flat

5

$24/ea

7

Si Wafer (Prime Grade)

100mm dia. x 500-550u thick
<100>, P/B, DSP, CZ
Res: 10-20 ohm-cm
SEMI (2 Flats)

11

$24/ea

8

Si Wafer (Prime Grade)

100mm dia. x 500-550u thick
<100>, P/B, SSP, FZ
Res: > 1,000 ohm-cm
SEMI (2 Flats)

25

$ 32/ea

9

Si Wafer (Prime Grade)

100mm dia. x 500-550u thick
<100>, P/B, SSP, CZ
Res: 5-10 ohm-cm

SEMI 1 Flat

25

25

$18/ea

$18/ea

10

0 $

<111>, P/B

11 100mm dia. x 500-550u thick
<111>, P/B, SSP, CZ
Res: 1-40 ohm-cm
PRIME GRADE
7 $18/ea
12 100mm dia. x 500-550u thick
<111>, P/B, SSP, CZ
Res: 10-20 ohm-cm
PRIME GRADE

25

25

$15/ea

$15/ea

13 100mm dia. x 500-550u thick
<111>, P/B, SSP, CZ
Res: 1-2 ohm-cm
PRIME GRADE (1 Flat)
25 $20/ea
14

Si Wafer (Prime Grade)

100mm dia. x 380-400u thick
<111>, P/B, SSP, FZ

Backside nanoground @2000 mesh
Res: > 1,000 ohm-cm

3 $95/ea
15

Si Wafer (Prime Grade)

100mm dia. x 500-550u thick
<111>, P/B, SSP, FZ
Res: > 5,000 ohm-cm

SEMI 1 Flat

25 $39/ea
4" dia Oxidized (SiO2 Layer) Silicon Wafers
1

Si Wafer (Prime Grade)

4" dia. x 500-525u thick
<100>, P/B, SSP, CZ
Res: 1-5 ohm-cm
SEMI FLATS

Thermal Oxide Layer: 2um +/- 5%

10

$32/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 $17/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 $17/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 $17/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 $22/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 $21

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

Item Specifications Qty Price
1

VGF GaAs Wafer <100) +/- 0.5 deg

50.0mm dia x 350 +/-25u thick
S-I Undoped, DSP, PRIME
Res: 1.2-1.5 E8
EPD: <5000 (AXT make)

5 $95/ea
2

GaAs Wafer <100) +/- 0.5 deg

2" dia x 500u thick
Si doped, SSP, PRIME (HBGaAs)

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

2 $73/ea
3

GaAs Wafer <100) +/- 0.5 deg

50.0mm dia x 350 +/-25u thick

P-type (Zn doped)

1 $115
4

GaAs Wafer <100) +/- 0.5 deg

4" dia x 600-635u thick
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

Lithium Niobate (LiNbO3) wafer

X-cut (SAW wafer)
4” dia x 0.040” thick
Side 1 (-X Face) polished

Side 2 (+X Face) ground

Surface Flatness: <15u TTV

5 $165/ea
2

Lithium Niobate (LiNbO3)  wafer

128° RY Orientation (SAW wafer)
3” dia x 0.0197” thick
Side 1 polished

Side 2 ground

Surface Flatness: <25u TTV

10 $30/ea

Misc. Items

Item Specifications Qty Price
Lasers/Laser Diodes
1

635nm/5mW output Laser Diode
Circular Beam
NA: ~0.11

PS020-00
Built-in monitor photodiode
Standard 9mm package

1 $85/ea
2

658nm/35mW output Laser Diode
Circular Beam
NA: ~0.11

VPSL 0658-035-x-5-A
Built-in monitor photodiode
Standard 5.6mm package

4 $85/ea
3

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

VPSL 0670-010-x-5-B
Built-in monitor photodiode
Standard 5.6mm package

5 $ 85/ea
4

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

VPSL 0670-010-x-9-B
Built-in monitor photodiode
Standard 9mm package

2 $ 85/ea
5

850nm/50mW output Laser Diode
Circular Beam 

( NA: ~0.11)

VPSL 0850-050-x-5-B
Built-in monitor photodiode
Standard 5.6mm package

10 $ 125/ea
6

810nm/50mW output Laser Diode

SDL-5401-G1 (9mm package)

Actual wavelength: 810nm

1 $ 395/ea
7

852nm/50mW output Laser Diode

SDL-5401-G1 (9mm package)

Actual wavelength: 853nm

3 $ 395/ea

Pyrex 7740 
1 Pyrex 7740 substrate
1” x 1” x 1mm thick
Both sides polished to < 20A
0 $17/ea
2 Pyrex 7740 substrate
2” x 2” x 1mm thick
Both sides polished to < 20A
10 $19/ea
3 Pyrex 7740 Wafer (No Flat)
100mm dia x 1mm thick
Both sides polished to < 20A
2 $ 39/ea
4

Pyrex 7740 Wafer (with 1 flat)
100mm dia x 0.5mm thick
Both sides polished to < 20A 

3 $ 37/ea
5

Pyrex 7740 Wafer (No Flat)
100mm dia x 0.5mm thick

Both sides polished to < 20A

5 $ 39/ea
6

Pyrex 7740 Wafer (with 1 flat)
3" dia x 0.7mm thick
Both sides polished to < 20A 

5 $ 30/ea
7

Pyrex 7740 Wafer (no flat)
3" dia x 1.0mm thick
Both sides polished to < 20A 

5 $ 29/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 $ 85/ea

Quartz Substrates

1

Clear Quartz Substrate (GE 124)
10mm x 10mm x 0.55mm thick
Both sides polished to 60/40 

Edges as cut (not machined)

9 $11/ea
2

Clear Quartz Substrate (GE 124)
1" x 1" x 1mm thick
Both sides polished to 60/40 

10

5

$ 9/ea

$ 9/ea

3

Fused Quartz Window
1" dia x 1mm thick
Both sides polished to 60/40 

2 $9/ea
4

Clear Quartz Substrate (GE 124)
1" x 3" x 1mm thick
Both sides polished to 60/40 

5 $11/ea
5 Quartz SAW Wafer (with Flat)
100mm dia. x 0.5mm Thick
42°45' ± 6' (ST Cut)
 
2 side polished
15 $40/ea
Substrates (various)
1

Alumina substrate, 99.6%

2.70" x 1.75" x 0.025" thick

6-equal scribes

As-fired surface

1 $10/ea
2

Alumina substrate, 99.6%

2.20" x 1.96" x 0.025" thick

As-fired surface

1 $5/ea
3

Alumina substrate, 99.6%

2.50" x 2.50" x 0.025" thick

One side Gold sputtered film

As-fired surface

1 $23/ea
4

BeO substrate, 99.5%

2" x 2" x 0.040" thick

As-fired (15u), 2 sawn edges

2 $19/ea
5

MgO Substrate <100>

10mm x 10mm x 0.5mm thick

One side, epi-polished

10 $21/ea
6

Sapphire (Al2O3) Substrate <0001>

10mm x 10mm x 0.5mm thick

Both sides, epi-polished

2 $24/ea
7

Sapphire  Wafer (Al2O3) C-Plane

Orientation : <0001> ± 0.5Deg

Surface : one side polished

Surface Roughness: Ra≤ 5Å

Size: 2” dia x 0.43mm thick

(Package: 1pc/Individual

5 $75/ea
8

LaAlO3 substrate <100>

12.5mm x 12.5mm x 0.5mm thick

One side, epi-polished

5 $ 50/ea
9

SrTiO3 substrate <100>

12.5mm x 12.5mm x 0.5mm thick

One side, epi-polished

 

5 $69/ea

High Purity Deposition Materials

1

A-1181 (Cerac)
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 (Cerac)
Manganese, metal, 99.99%
Size:3-12mm pcs (vac dep grade)

100g $
5

Magnesium Boride (MgB2)

~ 99.5%Powder

200g $50
6

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

500g $ 50
7

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

500g $ 70

8

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

4 x 

1kg

$175/kg
9

Silicon Monoxide (SiO), 99.9%
Size:-10mesh powder

(vacuum deposition grade)

50g

$25

10

T-1218 (Cerac)

Tin Oxide (SnO2), 99.9%

3-12mm pcs

250g $
11

Tin Oxide (SnO2), 99.99%

Powder (100 mesh)

100g $ 85
12

Lead Oxide (PbO), 99.999%
Powder (-100 mesh)
(can be repacked for smaller qty)

450g

$495
13

Vanadium (V) Oxide (V2O5)

99.995% (-22mesh powder)

10904 (Johnson Matthey)

100g $725
14

Yttrium (III) Oxide, 99.99%

Powder, REacton

(Johnson Matthey)

1Kg $425
15

Zinc shot, 99.9999%

1-3mm pcs (Puratronic)

10760 (Johnson Matthey)

1Kg $595/Kg
16

17

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 Silver (Ag) Wire, 99.99%
1mm dia x 50m long (spool)

1

1

$575

$575

SPUTTERING TARGETS

1

Silicon (Si) Target, Undoped, 99.999%

2" dia x 1/8" thick

2 $ 180/ea
2

Silicon Dioxide (SiO2) Target, 99.9%

3" dia x 1/8" thick

1 $
3

Nickel (Ni) Target, 99.99%

3" dia x 1/8" thick

1 $
4

Copper (Cu) Target, 99.99%

57mm dia x 0.076mm thick

0
5

Tin (Sn) Target, 99.998%

2" dia x 1/8" thick

1 $ 150
MISC
1

3M Fluorinert Electronic Liquid

FC-43 (4 oz bottle)

1 $10/-
2
3

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 $24/ea
6

50In/50Pb Solder, 99.99% pure

0.062" dia solid wire

1Kg spool

(Cookson/Arconium make)

spool

$945/ea
7

8

He-Ne Laser Head (05-LHR-553)

~6-7mW output power

Melles Griot (surplus used stock)

4 $105/ea
9

10

11

Optical Interference Filter

632.8nm/3nmFWHM/35% Tx

1/2" dia mounted

1 $40/ea
12

Optical Interference Filter

635.2nm/8.9nmFWHM/75% Tx

2" dia mounted x ~0.25" thick

1 $95/ea
13

Optical 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
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 $15
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:

0 $50
21

Bare Fiber Adapter (FC Connector)

Model Bare-03-81

81u ID Ferrule

5 $
22

Chromosorb G-AW-DMCS

60-80 mesh

100g $ 85
23

Hytrex Filter (10" long)

10" Cartridge, 5u

GX05-10

1 $ 5

Last updated Jan 30, 2012

Copyright 2003-2012 VIN KAROLA INSTRUMENTS. All rights reserved.

 
 

Excess Inventory 

- Silicon Wafers

- GaAs Wafers

- LiNbO3 Wafers

- Pyrex 7740

- SiO

- Sapphire Substrate

- MgO Substrate

- Misc. items

     
 
 

Nickel Powder

 

Laser Diodes

 

 

Available FREE

to any Educational Institute

PCB Mount, Right- angled SMA(F) connectors

(leads pre-tinned)

Have bunch in stock.

Freight-collect

   Send us an e-mail

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