Silicon wafers and III-V substrates

EL-CAT Inc. is a stocking distributor of Silicon Wafers, Compound Semiconductors and other Crystal Materials for use in electronics.

Current Stock and Prices: Advertised Specials:
Monocrystalline Silicon Solar Cells 156×156 mm 6M200-3bb
Solar Cell Electrical Characteristics (Class 8.58):
Efficiency: > 18.8 %;   P max (Mpp): 4.51 W
Voltage (Voc): 0.636 V
Current (Isc): 9.06 A;   Current (Vfix): 8.58 A
Operating Temperature: -40 to +85°C

Mechanical Properties:
Format: 156×156±0.5 mm;   Diagonal: 200±0.5 mm
Cell area: ~240 cm²;      Cell thickness: 200±30 Ám
With solder pads, back-side metallization,
    SiN anti-reflection coating
Packed in cartons of 100 cells
Price: $3.25 each (in quantity of 5,000), FOB Ridgefield Park, NJ
Price: $180.00 for Experimenter's Kit of 18 cells
2"Ø×430±25μm Sapphire[C] wafers
One-side-polished, Epi-ready
$23.00 each, in cassettes of 25 wafers
4"Ø SoS (Silicon-on-Sapphire) wafers
{ultimate in SOI (Silicon-on-Insulator)}
Epi Layer: Si:-[100], Ro>20 Ohmcm,
1.75±0.25μm thick,
polished - ready for Lithography
Substrate: P/P 4"Ø×300μm Sapphire[R] (transparent)
$595.00 for 1
$395.00 each for 25 wafers
Custom-made SoS available:
  • Si:-[100] on Sapphire[R] or
    Si:-[110] on Sapphire[C];
  • P/P (DSP - transparent) Sapphire or
    P/E (SSP - translucent) Sapphire;
  • Silicon epi layer 0.02 to 2.00μm thick.

4"Ø Silicon Epi Wafers, p/n,
{ultimate etch stop for MEMS fabrication}
Epi Layer: p-type Si:B (1.05-1.25)Ohmcm; 9.0±1.0μm thick
Substrate: P/P 4"Ø×500μm; n-type Si:P[100] (2-6)Ohmcm
Back-side polished (after Epi deposition)
$95.00 each for 9 wafers

Register with EL-CAT Inc. to order / query about special materials, or for special offerings.
80 Railroad Ave., Ridgefield Park, NJ 07660 USA;  tel: 201-444-7343;  fax: 201-444-7933;  e-mail:
Web Site Developed By: Mark Zakrzewski