Chromium Etchants
Electronic Premium
Electronic Grade Chemical

Chromium Etchants

Ultra-pure electronic grade Chromium Etchants manufactured to meet stringent semiconductor industry specifications. Our chromium etchants provide exceptional etching performance with ultra-low contamination for critical semiconductor processing and advanced electronics manufacturing.

  • Electronic Grade Purity
  • Ultra-Low Contamination
  • Superior Chromium Etching
  • Semiconductor Compatible
  • Precise Etch Control
  • Consistent Quality
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Technical Specifications

Etchant Type: Chromium Metal Etchant
Primary Component: Cerium Ammonium Nitrate
Secondary Component: Perchloric Acid (HClO₄)
Concentration (CAN): 5-20% by weight
pH Value: 0.5-2.0
Etch Rate (Cr): 200-800 Å/min
Selectivity (Cr:SiO₂): >50:1
Selectivity (Cr:Si): >100:1
Working Temperature: 20-40°C
Metal Impurities: ≤ 0.1 ppm each
Particle Count: ≤ 100 per mL (≥0.5μm)
Shelf Life: 12 months at 15-25°C
Resist Compatibility: Photoresist compatible
Undercut Control: Minimal lateral etching
Surface Roughness: ≤ 5 nm RMS
Agitation Requirements: Mild agitation recommended
Packaging Options: 1L, 4L, 20L containers

Applications

Chromium Mask Etching
Semiconductor Processing
Pattern Transfer
Metal Layer Removal
Thin Film Processing
Mask Stripping
Quality Control
Research Applications
Surface Preparation
Academic Research
Process Development
Material Analysis

Industry-Specific Grades

DRAVYOM offers specialized chromium etchant formulations tailored for specific semiconductor and photomask applications, ensuring optimal etch rates, selectivity, and pattern fidelity for diverse electronic manufacturing requirements.

Standard Etchant
CAN Concentration: 10% Etch Rate: 400 Å/min Good Selectivity: 50:1 Application: General etching
High-Speed Etchant
CAN Concentration: 20% Etch Rate: 800 Å/min Fast Processing Application: High throughput
Research Grade
Custom Concentrations Small Volumes: Available Ultra-Low Metals Application: R&D applications
Controlled Etchant
CAN Concentration: 5% Etch Rate: 200 Å/min High Selectivity: >100:1 Application: Precision etching

Quality Standards

DRAVYOM's Chromium Etchants are manufactured under stringent quality control protocols, meeting international semiconductor industry standards including SEMI, JEIDA, and ISO specifications. Our formulations ensure consistent etching performance and regulatory compliance.

ISO 9001:2015 Certified Manufacturing
SEMI Standards Compliance
Electronic Grade Components
Advanced Chemical Analysis
Ultra-Low Metal Contamination
Batch-to-Batch Consistency
Complete Certificate of Analysis
Safe Handling & Delivery

Advanced Chemical Properties & Performance

Electronic Grade Chromium Etchants exhibit exceptional chemical properties essential for semiconductor applications. The precisely formulated composition ensures reliable performance with controlled etch selectivity in demanding electronic manufacturing processes.

Chemical Properties
CAN Concentration: 2-10% w/w (variable)
Acetic Acid Content: 15-25% w/w
pH Value: 0.5-1.5 (acidic)
Oxidizing Power: Controlled oxidation potential
Physical Properties
Density (25°C): 1.02-1.08 g/cm³
Viscosity (25°C): 1.0-1.5 cP
Freezing Point: < -5°C
Vapor Pressure (20°C): Low vapor pressure
Etching Performance
Cr Etch Rate: 100-500 Å/min
CrO₂ Selectivity: 50:1 typical
Surface Quality: Clean, residue-free
Process Control: Excellent endpoint detection
Purity Specifications
Total Metallic Impurities: ≤ 0.1 ppm
Organic Content: ≤ 0.001%
Particle Count: ≤ 100 (>0.5µm)/mL
Chloride Content: ≤ 0.1 ppm
Stability Properties
Shelf Life: 12 months (unopened)
Storage Temperature: 15-25°C
Chemical Stability: Stable in original container
Container Compatibility: HDPE, PTFE-lined

Performance Characteristics

Detailed performance metrics demonstrate Electronic Grade Chromium Etchants superiority in semiconductor applications with exceptional selectivity, process reliability, and consistent etching performance.

High Selectivity

50:1 Cr to CrO₂ selectivity

Superior material discrimination
Etch Performance

Controlled etch rates: 100-500 Å/min

Tunable process conditions
Process Control

Temperature range: 20-40°C

Wide operational window
Batch Consistency

Variation: ±2% CAN content

Exceptional lot-to-lot uniformity
Endpoint Detection

Clear visual endpoint

Precise process control
Stable Chemistry

12-month shelf life

Extended operational availability

Safety Information

Highly corrosive and oxidizing solution that can cause severe burns to skin, eyes, and respiratory tract. Contains chromium compounds that may be carcinogenic. Handle in well-ventilated areas with appropriate protective equipment including acid-resistant gloves, safety goggles, and protective clothing. Ensure emergency procedures are in place.

Highly Corrosive
Carcinogenic
Oxidizing

Storage & Handling

Store in original HDPE or PTFE-lined containers in a cool, dry, well-ventilated area away from incompatible materials and heat sources. Keep containers tightly closed and protect from temperature extremes. Use acid-compatible equipment for all handling operations.

Cool storage (15-25°C)
Excellent ventilation required
Acid-resistant containers only
Secondary containment required

Chemical Mechanisms & Reaction Pathways

Electronic Grade Chromium Etchants exhibit controlled oxidative etching mechanisms through acidic dissolution pathways, enabling precise semiconductor processing applications with predictable material removal rates and selective chromium dissolution.

Oxidative Etching

Controlled chromium oxidation and dissolution through acidic media

Precise chromium removal for semiconductor processing
Selective Dissolution

Controlled material selectivity for chromium-based films

Essential for precise pattern transfer
Acidic Chemistry

Controlled acid-based dissolution mechanisms

Enables precise material removal control
Surface Processing

Optimized surface preparation through controlled etching

Critical for semiconductor device fabrication

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global semiconductor manufacturing access with complete documentation packages supporting international standards and electronic-grade specifications.

SEMI Standards

Semiconductor Equipment and Materials International specifications compliance

ISO 9001:2015

International quality management system certification

Electronic Grade

Ultra-pure specifications for semiconductor manufacturing

REACH Registration

European Union chemical regulation compliance

Process Validation

Supported semiconductor process validation documentation

SDS Documentation

Multi-language Safety Data Sheets (16 sections, GHS compliant)

Technical Support & Value-Added Services

DRAVYOM's semiconductor chemistry team provides comprehensive process support, troubleshooting assistance, and engineering services to optimize Electronic Grade Chromium Etchants performance in your specific manufacturing applications.

Process Development
  • Semiconductor process optimization support
  • Etching procedure guidance
  • Process reliability validation
  • Custom formulation procedures
Analytical Services
  • Certificate of Analysis verification
  • Custom composition analysis
  • Trace metal contamination testing
  • Process validation support
Technical Support
  • Process troubleshooting consultation
  • Storage and handling guidance
  • Safety training and protocols
  • Manufacturing best practices
Supply Solutions
  • Consistent batch scheduling
  • Emergency supply arrangements
  • Custom packaging options
  • Global distribution network

Environmental Impact & Sustainability

Our Electronic Grade Chromium Etchants production emphasizes environmental responsibility through sustainable manufacturing practices, waste minimization, and comprehensive environmental impact management for semiconductor operations.

Waste Minimization

Optimized production with minimal waste generation

Water Treatment

Advanced wastewater treatment and recycling systems

Clean Production

Energy-efficient synthesis with emission controls

Safe Disposal

Comprehensive guidance for manufacturing waste management

ISO 14001

Environmental management system certified production

Container Recycling

Chemical container return and recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art semiconductor chemical manufacturing facility employs advanced purification technology and continuous monitoring systems to ensure consistent Electronic Grade Chromium Etchants quality and performance across all production batches.

Production Process

Advanced formulation and purification processes

Precision etchant formulation for chromium processing
Quality Testing

Comprehensive analytical testing including composition and contamination

Advanced analytical characterization
Quality Systems

ISO 9001:2015 quality management with semiconductor facility certification

Continuous improvement and process validation
Packaging Control

Acid-resistant containers with safety systems

Safe handling and contamination prevention

Market Applications & Performance Data

Comprehensive semiconductor manufacturing data demonstrating Electronic Grade Chromium Etchants effectiveness across diverse applications with quantified performance metrics and process validations.

Chromium Etching
Precision: ±0.1% etch rate control Purity: >99.9% etchant grade Yield: 99.8%+ process success
Semiconductor Processing
Efficiency: 99.9%+ chromium removal Selectivity: High material selectivity Reliability: 100% batch consistency
Pattern Transfer
Performance: Zero defect contribution Validation: 100% process qualification Efficiency: 30% faster processing

DRAVYOM Competitive Advantages

Superior Purity

Consistently exceeds semiconductor specifications with ultra-low impurities and exceptional electronic performance

Reliable Supply

Guaranteed availability with strategic inventory management and electronic-grade production scheduling

Process Expertise

Dedicated semiconductor chemistry team provides process development and optimization support

Quality Assurance

Traceable certificates with comprehensive analytical data and process validation support

Global Standards

International compliance with SEMI, ISO, and electronics specifications for worldwide acceptance

Partnership Approach

Collaborative relationships with semiconductor manufacturers and custom grade development services

Electronics Excellence Demands Ultra-Pure Chemicals

Get electronic grade Chromium Etchants for semiconductor manufacturing, explore custom formulations, or discuss process optimization with our electronics specialists.

Get Electronic Grade Quote