Image source: wikihow Etching is a subtractive manufacturing process that removes material from a substrate using a chemical solution (wet etching) or plasma ( dry etching) . This guide focuses on wet chemical etching, widely used in industries like electronics, metallurgy, glasswork, and art. The choice of etching solution depends on multiple factors, including material compatibility,…
Metal etching is a critical manufacturing process used in industries such as electronics, aerospace, and automotive to create precise components. Achieving consistent results requires meticulous control of chemical, physical, and solution-related parameters. This article explores the key factors influencing the etching process and their management. 1. Chemical Parameter Control Chemical parameters directly influence the reactivity…
Etching is a subtractive manufacturing process used to selectively remove material from a substrate using chemicals, plasma, or other agents. A critical component of etching is the anti-etching layer ( or resist) , which protects specific regions of the material from being etched. The scratching method is a manual, low-tech technique historically used to pattern this protective…
Etching technology, pivotal in industries like semiconductors, printed circuit boards (PCBs), and metalworking, involves removing material layers using chemicals or plasma. The process demands materials that withstand harsh environments, including alkalis ( e.g., NaOH, KOH) and corrosive agents (e.g., acids, plasmas). This article explores materials resistant to these conditions, their applications, and selection criteria. Corrosive…
In microfabrication and semiconductor manufacturing, the anti-etching layer ( or etch mask) is critical for selectively protecting regions of a substrate during etching. This layer must meet stringent requirements to ensure precise pattern transfer, durability, and compatibility with complex processes. Below, we explore the key requirements for effective anti-etching layers, material considerations, and process integration…
Brass etching is a technique used to create intricate designs on brass surfaces by selectively removing material with chemicals. Pretreatment is critical to ensure the metal is free of contaminants that could hinder etching. This guide details the steps, safety measures, and best practices for effective brass pretreatment. Safety Precautions Personal Protective Equipment (PPE): Gloves, goggles,…
Aluminum alloys are widely used in industries such as aerospace, automotive, electronics, and construction due to their lightweight, corrosion resistance, and mechanical strength. However, surface treatments like anodizing, painting, or plating require meticulous preparation to ensure adhesion and performance. The etching pretreatment process is critical for removing contaminants, oxides, and impurities while creating a uniform…
Metal etching is a subtractive manufacturing process used to create intricate designs, microstructures, or functional components in industries such as electronics, aerospace, automotive, and jewelry. Ensuring quality before etching is critical to avoid defects, material waste, and operational delays. This article outlines the essential quality acceptance requirements prior to metal etching, addressing material, procedural, and…
Etching is a critical process in microfabrication and materials science, used to selectively remove material from a substrate. Accurately calculating etching time ensures precision in creating microstructures, semiconductors, and MEMS devices. This guide details the factors, formulas, and methodologies involved in determining etching time for both wet and dry etching processes. 1. Introduction to Etching…
Etching socket tools is a practical and creative way to customize, label, or brand metal sockets for identification or aesthetic purposes. This guide explores various etching methods, safety precautions, and step-by-step instructions to achieve professional results. 1. Introduction to Etching Socket Tools Socket tools, typically made of chrome vanadium steel or alloy steel, are used…