Electronics & Semiconductors

Typical Applications

• Semiconductor wafer wet processing and surface treatment

• Photoresist development, stripping, and residue removal

• Advanced electronic material synthesis and functional material preparation

​

Corresponding Products & Uses

Potassium Hydroxide (KOH, Electronics Grade)

• Use:
  High-purity alkaline etchant and developer for critical wet-process steps in semiconductor, display, solar, and PCB manufacturing.

• Process Scenario:

  • IC wafer anisotropic etching and wafer back-thinning

  • IC bumping development and wafer surface preparation

  • Post-CMP slurry residue removal and precision cleaning

  • LCD positive and negative photoresist development

  • Removal of photoresist residues and process tubing cleaning

  • Solar cell base etching

  • PCB dry film photoresist stripping

• Key Advantages:

  • Ultra-low metal ion content suitable for electronics-grade processes

  • High etching uniformity and excellent process controllability

  • Stable performance in continuous wet-bench operations

  • Broad compatibility with semiconductor and display fabrication lines

​

Potassium tert-Butylate (t-BuOK)

• Use:
  Strong, non-nucleophilic organic base for the synthesis of advanced electronic and functional materials.

• Process Scenario:

  • Deprotonation and condensation reactions in electronic material intermediates

  • Synthesis of photoresist components and specialty monomers

  • Preparation of high-performance polymer and dielectric material precursors

• Key Advantages:

  • Very high basicity enabling fast and selective reactions

  • Water-free reaction environment for moisture-sensitive processes

  • Suitable for high-value, precision-controlled electronic material synthesis

​

Sodium tert-Butylate (t-BuONa)

• Use:
  Strong organic base for fine chemical and electronic material synthesis where controlled reactivity and cost efficiency are required.

• Process Scenario:

  • Alkylation and condensation reactions in electronic intermediates

  • Functional material and specialty additive synthesis

  • Pilot-scale and commercial-scale production of electronic chemicals

• Key Advantages:

  • Strong and predictable basicity with good reaction reproducibility

  • More moderate reactivity compared to t-BuOK, enabling better selectivity

  • Well-suited for scalable electronic material manufacturing