Gold-Coated 4 Inch Substrate Cr/Au 30/100 nm ATOMFAIR®

$138.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Research-grade 4 inch single-sided gold-coated substrate with Cr 30 nm/Au 100 nm stack, Ra < 1 nm roughness and ≥99.999% film purity. Order now.

4 Inch Single-Sided Coating Gold-Coated Substrate

Product Type: Gold-coated substrate

Research-grade laboratory product

Product Overview

4 inch single-sided coating gold-coated substrate is listed with a Cr 30 nm / Au 100 nm film stack. The substrate can be silicon, glass, quartz or sapphire.

The coating specification includes Ra < 1 nm roughness and a listed film purity of at least 99.999%. Electron-beam evaporation and magnetron sputtering are available processing routes.

Performance Features

Single-Sided Coating configuration
Cr 30 nm / Au 100 nm film stack listed
Silicon, glass, quartz and sapphire substrate types listed
Electron-beam evaporation and magnetron sputtering listed

Technical Specifications

Parameter	Specification / Available Values
Atomfair Model	AF-GAU-4IN-S
Size	4 inch
Coating Sides	Single-Sided Coating
Film Stack	Cr 30 nm / Au 100 nm; customizable
Substrate Types	Silicon wafer, glass, quartz or sapphire
Substrate Dimensions	Size, specification and thickness can be customized
Film Roughness	Ra < 1 nm
Film Purity	≥ 99.999%
Coating Processes	Electron-beam evaporation or magnetron sputtering

Quotation Confirmation

4 inch size, single-sided coating, Cr 30 nm / Au 100 nm film stack, substrate type, substrate thickness and coating process should be confirmed before quotation. Custom dimensions and specifications should be included in the request.

MODEL AND SPECIFICATION CONFIRMATION: Confirm the selected size, material system and configuration before quotation.

COMPATIBILITY CONFIRMATION: Confirm the substrate, surface treatment and intended integration requirements for the selected item.

QUANTITY CONFIRMATION: Include the required specification and quantity when requesting quotation support.

LABORATORY PROCUREMENT SUPPORT

For model selection, substrate matching or configuration confirmation, contact our technical sales team.

E-MAIL: inquiry@atomfair.com

Supplier: Atomfair

Brand: ATOMFAIR®

Substrate selection, surface treatment, and intended integration requirements must be confirmed before use. Configuration details and custom dimensions must be confirmed with the supplier before quotation.

Substrate and Surface Compatibility: Confirm the substrate material, surface treatment, and intended integration requirements for the selected item before integration.
Single-Sided Coating Configuration: Confirm the single-sided coating configuration before integrating this substrate into an application.
Custom Specification Inclusion: Include custom dimensions and specifications in the request when ordering this coated substrate.

FAQ

What surface roughness and film purity does the ATOMFAIR 4-inch gold-coated substrate provide?

The AF-GAU-4IN-S is specified with a film roughness of Ra < 1 nm and film purity of at least 99.999%. The listed film stack is Cr 30 nm / Au 100 nm on a single-sided coating configuration, with silicon, glass, quartz, or sapphire substrate options.

Which substrate materials and coating processes can be ordered for the 4-inch gold-coated substrate?

Substrate options are silicon wafer, glass, quartz, or sapphire. Processing can be performed by electron-beam evaporation or magnetron sputtering, and substrate size, specification, and thickness can be customized.

What configuration details must be confirmed before ordering this Au-coated substrate?

The 4-inch size, single-sided coating, Cr 30 nm / Au 100 nm film stack, substrate type, substrate thickness, and coating process should be confirmed before quotation. Custom dimensions and specifications should also be included in the request.

Assessment

This 4-inch gold-coated substrate with a Cr 30 nm / Au 100 nm film stack, offering sub-nanometer roughness and 99.999% purity via electron-beam evaporation or magnetron sputtering, provides a high-quality base for surface-sensitive and plasmonic applications but requires careful specification of substrate type, thickness, and process before use.

Positive

Ultra-smooth gold surface: Ra < 1 nm roughness combined with ≥ 99.999% film purity ensures minimal surface scatter, critical for reproducible plasmonic resonance, SERS, and thin-film metrology applications.
Flexible substrate and process options: Compatible with silicon, glass, quartz, or sapphire substrates and customizable dimensions, with choice between electron-beam evaporation or magnetron sputtering, enabling optimization for specific adhesion, thermal, and optical requirements.

Trade-offs

Single-sided coating only: The coating is applied to only one side of the substrate, limiting use in applications requiring double-sided or through-substrate optical or electrical access, and may necessitate additional processing for back-side grounding or mirror configurations.
Pre-quotation confirmation required: Substrate type, thickness, and coating process must be specified and confirmed before quotation, adding lead time and requiring the buyer to pre-define exact operating parameters for compatibility with intended deposition or integration steps.

Quality Standards & Performance Verification

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Shipping & Returns

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).