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Semiconductor Process Concepts — Glossary

A glossary of semiconductor process concepts — deposition, etch, CMP, lithography and more — each linking to the process steps where it appears across 28nm, 40nm, 14nm and 7nm flows.

28 process concepts

14nm RMG (HKMG replacement-metal-gate) 工艺 2.5D 截面 — Gate Cut + Fin Cut 双视图

Inside the product

Each process step includes a 2.5D cross-section showing how the material stack and structure change as the flow progresses.

See the full process flows

Metal 36

  • Copper Chemical Mechanical Polishing

    • Cu CMP40nm
    • Cu CMP40nm

    2 steps

  • Copper Seed Layer Deposition

    • Cu Seed deposition40nm
    • Cu Seed deposition40nm

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2 steps

  • Inter-Layer Dielectric Oxide Trench Etch

    • ILD 2-2 Oxide Etch40nm
    • ILD 4-2 Oxide Etch40nm

    2 steps

  • Post-Chemical Mechanical Planarization Surface Cleaning

    • Post CMP Cleaning40nm
    • Post CMP Cleaning40nm

    2 steps

  • Tantalum Barrier Chemical Mechanical Polishing

    • Ta-based liner CMP40nm
    • Ta-based liner CMP40nm

    2 steps

  • Tantalum-based Barrier Liner Deposition

    • Ta-based liner deposition40nm
    • Ta-based liner deposition40nm

    2 steps

  • Interlayer Dielectric 13

    • Inter-Layer Dielectric Silicon Carbonitride Barrier Deposition

      • ILD 1-1 SiCN Barrier Deposition40nm
      • ILD 3-1 Deposition40nm
      • ILD 5-1 Deposition40nm

      3 steps

    • Inter-Layer Dielectric Silicon Dioxide Gap-Fill Deposition

      • ILD 1-2 SiO2 Gap-Fill Deposition40nm
      • ILD 3-2 Deposition40nm

      2 steps

    • Pre-Lithographic Surface Preparation and Cleaning

      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm

      2 steps

    Metal 13

    • Copper Chemical Mechanical Planarization

      • Cu CMP40nm
      • Cu CMP40nm
      • Cu CMP40nm
      • Cu CMP40nm
      • Cu CMP40nm

      5 steps

    • Copper Seed Layer Physical Vapor Deposition

      • Cu Seed deposition40nm
      • Cu Seed deposition40nm
      • Cu Seed deposition40nm
      • Cu Seed deposition40nm

      4 steps

    • Tantalum Barrier Chemical Mechanical Planarization

      • Ta-based liner CMP40nm
      • Ta-based liner CMP40nm
      • Ta-based liner CMP40nm
      • Ta-based liner CMP40nm
      • Ta-based liner CMP40nm

      5 steps

    Frontside DTI2

    • Photoresist Ashing and Polymer Removal and Post-Etch Wet Strip and Cleaning

      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm

      2 steps

    • Pre-Lithography Wet Chemical Cleaning

      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm

      3 steps

    Interlayer Dielectric 22

    • Silicon Carbonitride Interlayer Dielectric Deposition

      • ILD 2-1 Deposition40nm
      • ILD 6-1 Deposition40nm

      2 steps

    • Silicon Dioxide Interlayer Dielectric Deposition

      • ILD 2-2 Deposition40nm
      • ILD 6-2 Deposition40nm

      2 steps

    STI2

    • Photoresist Ashing and Polymer Removal and Post-Etch Wet Strip and Surface Cleaning

      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm

      4 steps

    • Pre-Lithography Surface Preparation and Cleaning

      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm

      3 steps

    Bond Pad1

    • Photoresist Plasma Ashing and Post-Etch Wet Strip and Cleaning

      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm

      7 steps

    Interlayer Dielectric 41

    • Pre-Lithography Surface Preparation

      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm

      2 steps

    Interlayer Dielectric 61

    • Pre-Lithography Surface Cleaning

      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm

      5 steps

    Metal 01

    • Pre-Lithographic Surface Preparation and Contamination Removal

      • Pre Litho Cleaning40nm
      • Pre Litho Cleaning40nm

      2 steps

    Metal 21

    • Post-CMP Cleaning and Surface Passivation

      • Post CMP Cleaning40nm
      • Post CMP Cleaning40nm

      2 steps

    N Floating Diffusion1

    • Photoresist Plasma Ashing and Post-Implant Wet Strip and Surface Cleaning

      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm

      3 steps

    PMD1

    • Pre-Metal Dielectric Silicon Dioxide Deposition

      • PMD 1 - Deposition40nm
      • PMD 5 - Deposition40nm

      2 steps

    Via 11

    • Post-Etch Plasma Ashing and Post-Ashing Wet Strip and Cleaning

      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm

      2 steps

    Via 21

    • Inter-Layer Dielectric Silicon Carbonitride Etch

      • ILD 2-1 SiCN Etch40nm
      • ILD 4-1 SiCN Etch40nm

      2 steps

    Well1

    • Post-Implantation Photoresist Plasma Ashing and Post-Ashing Wet Chemical Strip and Surface Cleaning

      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm
      • Ashing & Strip/Clean40nm

      3 steps