Select Page

GOLD (Au) COATED SILICON

Substrate

Silicon Wafer (Prime Grade)

  • Type/Dopant: P/Boron
  • Orientation: <100>
  • Resistivity: 1-50 Ω·cm
  • Front Surface: Polished
  • Back Surface: Etched

Coating

Gold, Au

  • Purity: 99.999 %
  • Deposition Technique: Electron Beam Evaporation
  • Deposition Rate: 1-2 Å/s
  • Process Pressure ≤ 2E-6 Torr
  • Adhesion Layer: Cr (99.95 %)

Substrata offers a full suite of gold coated silicon wafers at affordable prices

All coatings are deposited under high vacuum using electron beam evaporation. Applications include nanotechnology, biotechnology and AFM applications.

We use a thin chromium adhesion layer between the silicon and gold coating. This adhesion layer is optional and can also be replaced with titanium upon request. All wafers are packed in a cleanroom environment and shipped in individual wafer carriers.

For General Inquiries:

Singles

Popular Items Sold Individually

High quality substrates coated with 500 Å (50 nm) of gold. All coatings include a 50 Å chromium adhesion layer between the substrate surface and the gold coating. All gold substrates are autoclavable.

Product #DescriptionCoatingThicknessAdhesionUnitLead Time/StockPrice
(USD)
Order
S00-00001-00Gold Coated Silicon Chips | 6/pk
500 Å Au | 10 mm x 10 mm x 0.525 mm
Gold (99.999 %)500 Å50 Å Cr6/pkgIn Stock$195.00

Add to cart

QA05-00180Gold Coated Ø2 in Silicon Wafer
500 Å Au | Ø50.8 mm x 0.279 mm thick
Gold (99.999 %)500 Å50 Å CreachIn Stock$120.00

Add to cart

S00-00002-00Gold Coated Silicon Chips | 20/pk
500 Å Au | 10 mm x 10 mm x 0.525 mm
Gold (99.999 %)500 Å50 Å Cr20/pkgIn Stock$395.00

Add to cart

QA05-00190Gold Coated Ø4 in Silicon Wafer
500 Å Au | Ø101.6 mm x 0.525 mm thick
Gold (99.999 %)500 Å50 Å CreachIn Stock$235.00

Add to cart

QA05-00191Gold Coated Ø4 in Silicon Wafer
1000 Å Au | Ø101.6 mm dia. x 0.525 mm thick
Gold (99.999 %)1000 Å50 Å CreachIn Stock$320.00

Add to cart

DescriptionThicknessPrice
(USD)
OrderCoatingAdhesionUnitLead Time/StockProduct #
Gold Coated Silicon Chips | 6/pk
500 Å Au | 10 mm x 10 mm x 0.525 mm
500 Å$195.00

Add to cart

Gold (99.999 %)50 Å Cr6/pkgIn StockS00-00001-00
Gold Coated Ø2 in Silicon Wafer
500 Å Au | Ø50.8 mm x 0.279 mm thick
500 Å$120.00

Add to cart

Gold (99.999 %)50 Å CreachIn StockQA05-00180
Gold Coated Silicon Chips | 20/pk
500 Å Au | 10 mm x 10 mm x 0.525 mm
500 Å$395.00

Add to cart

Gold (99.999 %)50 Å Cr20/pkgIn StockS00-00002-00
Gold Coated Ø4 in Silicon Wafer
500 Å Au | Ø101.6 mm x 0.525 mm thick
500 Å$235.00

Add to cart

Gold (99.999 %)50 Å CreachIn StockQA05-00190
Gold Coated Ø4 in Silicon Wafer
1000 Å Au | Ø101.6 mm dia. x 0.525 mm thick
1000 Å$320.00

Add to cart

Gold (99.999 %)50 Å CreachIn StockQA05-00191

Packs

Gold Coated Ø4 in Silicon Wafers | Prime Grade

These items are fabricated upon order and may require up to 5 business days to ship. All items are sold in packs of 3 wafers.
Titanium (Ti) can also be used as an adhesion layer upon request.

Product #DescriptionCoatingThicknessAdhesionUnitLead Time/StockPrice
(USD)
Order
4WAU100-Q3Gold Coated Ø4 in Silicon Wafers
100 Å Au | Ø101.6 mm x 0.525 mm thick
Gold (99.999 %)100 Å20 Å Cr3/pkg1 week$570.00

Add to cart

4WAU500-Q3Gold Coated Ø4 in Silicon Wafers
500 Å Au | Ø101.6 mm x 0.525 mm thick
Gold (99.999 %)500 Å50 Å Cr3/pkgIn Stock$625.00

Add to cart

4WAU1000-Q3Gold Coated Ø4 in Silicon Wafers
1000 Å Au | Ø101.6 mm x 0.525 mm thick
Gold (99.999 %)1000 Å50 Å Cr3/pkgIn Stock$725.00

Add to cart

4WAU5000-Q3Gold Coated Ø4 in Silicon Wafers
5000 Å Au | Ø101.6 mm x 0.525 mm thick
Gold (99.999 %)5000 Å75 Å Cr3/pkg1 week$1,615.00

Add to cart

DescriptionThicknessPrice
(USD)
OrderCoatingAdhesionUnitLead Time/StockProduct #
Gold Coated Ø4 in Silicon Wafers
100 Å Au | Ø101.6 mm x 0.525 mm thick
100 Å$570.00

Add to cart

Gold (99.999 %)20 Å Cr3/pkg1 week4WAU100-Q3
Gold Coated Ø4 in Silicon Wafers
500 Å Au | Ø101.6 mm x 0.525 mm thick
500 Å$625.00

Add to cart

Gold (99.999 %)50 Å Cr3/pkgIn Stock4WAU500-Q3
Gold Coated Ø4 in Silicon Wafers
1000 Å Au | Ø101.6 mm x 0.525 mm thick
1000 Å$725.00

Add to cart

Gold (99.999 %)50 Å Cr3/pkgIn Stock4WAU1000-Q3
Gold Coated Ø4 in Silicon Wafers
5000 Å Au | Ø101.6 mm x 0.525 mm thick
5000 Å$1,615.00

Add to cart

Gold (99.999 %)75 Å Cr3/pkg1 week4WAU5000-Q3

Packs

Gold Coated Ø3 in Silicon Wafers | Prime Grade

These items are fabricated upon order and may require up to 5 business days to ship. All items are sold in packs of 5 wafers.
Titanium (Ti) can also be used as an adhesion layer upon request.

Product #DescriptionCoatingThicknessAdhesionUnitLead Time/StockPrice
(USD)
Order
3WAU100-Q5Gold Coated Ø3 in Silicon Wafers
100 Å Au | Ø76.2 mm x 0.381 mm thick
Gold (99.999 %)100 Å20 Å Cr5/pkg1 week$570.00

Add to cart

3WAU1000-Q5Gold Coated Ø3 in Silicon Wafers
1000 Å Au | Ø76.2 mm x 0.381 mm thick
Gold (99.999 %)1000 Å50 Å Cr5/pkg1 week$725.00

Add to cart

3WAU5000-Q5Gold Coated Ø3 in Silicon Wafers
5000 Å Au | Ø76.2 mm x 0.381 mm thick
Gold (99.999 %)5000 Å75 Å Cr5/pkg1 week$1,615.00

Add to cart

DescriptionThicknessPrice
(USD)
OrderCoatingAdhesionUnitLead Time/StockProduct #
Gold Coated Ø3 in Silicon Wafers
100 Å Au | Ø76.2 mm x 0.381 mm thick
100 Å$570.00

Add to cart

Gold (99.999 %)20 Å Cr5/pkg1 week3WAU100-Q5
Gold Coated Ø3 in Silicon Wafers
1000 Å Au | Ø76.2 mm x 0.381 mm thick
1000 Å$725.00

Add to cart

Gold (99.999 %)50 Å Cr5/pkg1 week3WAU1000-Q5
Gold Coated Ø3 in Silicon Wafers
5000 Å Au | Ø76.2 mm x 0.381 mm thick
5000 Å$1,615.00

Add to cart

Gold (99.999 %)75 Å Cr5/pkg1 week3WAU5000-Q5

Packs

Gold Coated Ø2 in Silicon Wafers | Prime Grade

These items are fabricated upon order and may require up to 5 business days to ship. All items are sold in packs of 9 wafers.
Titanium (Ti) can also be used as an adhesion layer upon request.

Product #DescriptionCoatingThicknessAdhesionUnitLead Time/StockPrice
(USD)
Order
2WAU100-Q9Gold Coated Ø2 in Silicon Wafers
100 Å Au | Ø50.8 mm x 0.279 mm thick
Gold (99.999 %)100 Å20 Å Cr9/pkg1 week$722.00

Add to cart

2WAU500-Q9Gold Coated Ø2 in Silicon Wafers
500 Å Au | Ø50.8 mm x 0.279 mm thick
Gold (99.999 %)500 Å50 Å Cr9/pkgIn Stock$771.00

Add to cart

2WAU1000-Q9Gold Coated Ø2 in Silicon Wafers
1000 Å Au | Ø50.8 mm x 0.279 mm thick
Gold (99.999 %)1000 Å50 Å Cr9/pkg1 week$819.00

Add to cart

2WAU5000-Q9Gold Coated Ø2 in Silicon Wafers
5000 Å Au | Ø50.8 mm x 0.279 mm thick
Gold (99.999 %)5000 Å75 Å Cr9/pkg1 week$1,517.00

Add to cart

DescriptionThicknessPrice
(USD)
OrderCoatingAdhesionUnitLead Time/StockProduct #
Gold Coated Ø2 in Silicon Wafers
100 Å Au | Ø50.8 mm x 0.279 mm thick
100 Å$722.00

Add to cart

Gold (99.999 %)20 Å Cr9/pkg1 week2WAU100-Q9
Gold Coated Ø2 in Silicon Wafers
500 Å Au | Ø50.8 mm x 0.279 mm thick
500 Å$771.00

Add to cart

Gold (99.999 %)50 Å Cr9/pkgIn Stock2WAU500-Q9
Gold Coated Ø2 in Silicon Wafers
1000 Å Au | Ø50.8 mm x 0.279 mm thick
1000 Å$819.00

Add to cart

Gold (99.999 %)50 Å Cr9/pkg1 week2WAU1000-Q9
Gold Coated Ø2 in Silicon Wafers
5000 Å Au | Ø50.8 mm x 0.279 mm thick
5000 Å$1,517.00

Add to cart

Gold (99.999 %)75 Å Cr9/pkg1 week2WAU5000-Q9

Looking for custom substrates or coatings?

We're here to help! Please fill out our Request a Quote form.