Copper Etchants
Electronic Premium
Electronic Grade Chemical

Copper Etchants

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

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

Technical Specifications

Etchant Type: Copper Metal Etchant
Primary Component: Ferric Chloride (FeCl₃)
Secondary Component: Hydrochloric Acid (HCl)
Concentration (FeCl₃): 20-45% by weight
pH Value: 1.0-3.0
Etch Rate (Cu): 500-2000 Å/min
Selectivity (Cu:SiO₂): >100:1
Selectivity (Cu:Si₃N₄): >200:1
Working Temperature: 20-60°C
Metal Impurities: ≤ 0.1 ppm each
Particle Count: ≤ 50 per mL (≥0.5μm)
Shelf Life: 18 months at 15-25°C
Resist Compatibility: Photoresist compatible
Undercut Control: Controlled lateral etching
Surface Roughness: ≤ 3 nm RMS
Agitation Requirements: Moderate agitation recommended
Packaging Options: 1L, 4L, 20L containers

Applications

Copper Layer Etching
Semiconductor Processing
Pattern Transfer
Metal Interconnects
Via Formation
PCB Manufacturing
Quality Control
Research Applications
Surface Preparation
Academic Research
Process Development
Material Analysis

Industry-Specific Grades

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

Standard Cu Etchant
FeCl₃ Concentration: 30% Etch Rate: 1000 Å/min Good Selectivity: 100:1 Application: General etching
Fast Etch Cu
FeCl₃ Concentration: 45% Etch Rate: 2000 Å/min High Throughput Application: High-speed processing
Research Grade
Custom Concentrations Small Volumes: Available Ultra-Low Metals Application: R&D applications
Precision Etchant
FeCl₃ Concentration: 20% Etch Rate: 500 Å/min High Selectivity: >200:1 Application: Precision etching

Quality Standards

DRAVYOM's Copper 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 Copper Etchants exhibit exceptional chemical properties essential for precision semiconductor applications. The ultra-pure composition and controlled reaction kinetics ensure reliable performance in demanding electronic manufacturing processes.

Etching Properties
Etch Rate: 200-800 Å/min (controllable)
Selectivity: Cu:SiO₂ > 1000:1
Undercut: < 0.1 µm (isotropic)
Resolution: Sub-micron capability
Physical Properties
pH Value: 0.5-2.0 (acidic)
Viscosity (25°C): 1.0-3.0 cP
Density: 1.10-1.25 g/cm³
Surface Tension: 25-35 mN/m
Process Performance
Temperature Range: 20-50°C operation
Bath Life: 6-24 hours active
Agitation: Gentle stirring required
Reproducibility: ±5% etch rate
Purity Specifications
Metal Impurities: ≤ 1 ppm total
Particle Count: ≤ 200 (>0.5µm)/mL
Organic Contamination: ≤ 50 ppm TOC
Chloride Content: Controlled levels
Stability Properties
Shelf Life: 12 months (unopened)
Storage Temperature: 15-25°C
Chemical Stability: No precipitation
Activity Drift: < 2% per month

Performance Characteristics

Detailed performance metrics demonstrate Electronic Grade Copper Etchants superiority in semiconductor applications with exceptional precision, selectivity, and process repeatability.

High Selectivity

Cu:SiO₂ selectivity > 1000:1

Precise material removal
Pattern Fidelity

Sub-micron feature resolution

Excellent edge definition
Etch Rate Control

200-800 Å/min (tunable)

Process flexibility
Temperature Stability

Stable performance 20-50°C

Wide process window
Batch Consistency

Variation: ±5% between lots

Reliable reproducibility
Bath Stability

6-24 hours active life

Extended operation

Safety Information

Highly corrosive acidic solutions that can cause severe burns and eye damage. Contains strong oxidizing agents. Handle with extreme caution using appropriate protective equipment including acid-resistant gloves, safety goggles, and protective clothing. Ensure excellent ventilation and emergency procedures are in place.

Corrosive
Oxidizing
Eye Hazard

Storage & Handling

Store in original acid-resistant containers in a cool, well-ventilated area away from incompatible materials. Keep containers tightly sealed and protect from temperature extremes. Use only acid-compatible equipment and maintain secondary containment.

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

Chemical Mechanisms & Reaction Pathways

Electronic Grade Copper Etchants exhibit controlled oxidative etching mechanisms through acidic dissolution pathways, enabling precise semiconductor processing applications with predictable copper removal rates and high selectivity.

Oxidative Dissolution

Controlled copper oxidation and dissolution through acidic media

Precise copper removal for semiconductor processing
Selective Etching

Controlled material selectivity for copper versus barrier materials

Essential for damascene and interconnect processing
Acidic Chemistry

Controlled acid-based dissolution mechanisms

Enables precise etch rate control
Surface Processing

Optimized surface preparation through controlled etching

Critical for advanced interconnect 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 Copper 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 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 Copper 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 Copper Etchants quality and performance across all production batches.

Production Process

Advanced etchant formulation and purification processes

Precision etchant formulation for copper 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 Copper Etchants effectiveness across diverse applications with quantified performance metrics and process validations.

Copper Etching
Precision: ±0.1% etch rate control Purity: >99.9% etchant grade Yield: 99.8%+ process success
Interconnect Processing
Efficiency: 99.9%+ copper removal Selectivity: High copper 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 Copper Etchants for semiconductor manufacturing, explore custom formulations, or discuss process optimization with our electronics specialists.

Get Electronic Grade Quote