GCI Methodology - Semiconductors
Classification Guide for Sectors, Categories, Subcategories, Types, Subtypes, and Applications
- GCI Sectors
- Artificial Intelligence (AI) and Quantum Computing
- Biotechnology and Biomanufacturing
- Critical Minerals and Advanced Materials
- Cybersecurity, Space, and Defense Technology
- Energy Security
- Food Security and Agricultural Technology
- Manufacturing Advancements and Supply Chain Resilience
- Semiconductors and Microelectronics
- GCI Sectors
- Artificial Intelligence (AI) and Quantum Computing
- Biotechnology and Biomanufacturing
- Critical Minerals and Advanced Materials
- Cybersecurity, Space, and Defense Technology
- Energy Security
- Food Security and Agricultural Technology
- Manufacturing Advancements and Supply Chain Resilience
- Semiconductors and Microelectronics
16. Category: Semiconductors
The Semiconductor category includes companies that design, manufacture, and sell semiconductors – materials and components essential for modern electronics. Semiconductors, typically made from silicon, are the foundation of integrated circuits (ICs), microchips, and other electronic components used in a wide range of devices and systems.
16.2. Subcategory: Semiconductor Manufacturing
- 16.2.1. Type: Deposition Equipment: Tools used to deposit materials in layers of precise thickness during the microchip manufacturing
- 16.2.2. Type: Etching Equipment: Systems used to remove material from a wafer after lithographic circuit production steps.
- 16.2.3. Type: Ion Implantation Systems: Tools used to introduce impurities into semiconductor materials to modify their electrical properties
- 16.2.4. Type: Lithography: Equipment used to transfer circuit patterns from a mask to the silicon wafer
- 16.2.5. Type: Mask Production: Equipment used to make masks used in lithography systems; these include high resolution electron beam systems
- 16.2.6. Type: Metrology Systems: Tools used to inspect circuit (IC) dimensions, and conducting paths on ICs to ensure they meet specifications. These systems include scanning electron microscopes and atomic force microscopes
- 16.2.7. Type: Wafer Cleaning Equipment: Tools used to wafers of debris and contaminants left over from intermediate manufacturing steps
- 16.2.8. Type: Wafer Mechanical Planarization Equipment: Tools used to planarize the wafer surface for later manufacturing steps or for flip-chip bonding or IC stacking in advanced microchips of various kinds
- 16.2.9. Type: Semiconductor Manufacturing Equipment: Required for fabrication steps such as photolithography machines for patterning circuits or tools for etching and deposition for material removal and layering.
- 16.2.10. Type: Test, Inspection, Packaging, and Assembly Technology: Technology that assists with the end-to-end process of testing, inspection, packaging, and assembly of semiconductors; this is to ensure they can be integrated into larger systems
- 16.2.11. Type: Wafer Fabrication (Wafer Fab): The process of manufacturing semiconductor devices on silicon wafers, involving photolithography, etching, deposition, and doping to create integrated circuits (ICs)
16.1. Subcategory: Semiconductor Materials
- 16.1.1. Type: Compound Semiconductors: Development of materials like gallium arsenide (GaAs), gallium nitride (GaN), and silicon carbide (SiC), which are used for high-performance applications such as high-frequency and power electronics, light-emitting diodes (LEDs), and laser diodes
- 16.1.2. Type: Die: The individual semiconductor chip formed from the precise cutting (dicing) of a processed wafer
- 16.1.3. Type: Ingot: Cylindrical blocks of single-crystal silicon produced by melting polysilicon and growing a crystal from a seed crystal
- 16.1.4. Type: Silicon: The most widely used semiconductor material in the industry, primarily in the production of integrated circuits, transistors, and diodes
- 16.1.5. Type: Specialty Semiconductor Gases and Chemicals: Preparation of high-purity gases and chemical compounds used in the semiconductor manufacturing process
- 16.1.6. Type: Wafer: A thin slice cut from an ingot, serving as the substrate for building integrated circuits
16.3. Subcategory: Types of Semiconductor Devices
- 16.3.1. Type: Diode: Device that allows current flow in one direction only
- 16.3.2. Type: Transistor: Device that functions as amplifiers or switches in circuits
- 16.3.3. Type: Thyristor: Bistable switch that conducts current when triggered
- 16.3.4. Type: Integrated Circuit: Contains multiple semiconductor devices, also known as a “chip”
- 16.3.5. Type: Optoelectronic Devices: Convert electrical signals into light or vice versa (LEDs, Lasers, Optical Sensors, photodiodes)
- 16.3.6. Type: Power Devices: Capable of switching, amplifying, and rectifying electrical signals at high power