For many etch steps, part of the wafer is protected from the etchant by a "masking" material which resists etching. In some cases, the masking material is a photoresist which has been patterned using photolithography. Other situations require a more durable mask, such as silicon nitride.

Most common etchant for Fe, carbon and alloys steels and cast iron - Immerse sample up from seconds to minutes; Mn-Fe, MnNi, Mn-Cu, Mn-Co alloys. Marble's Reagent CuSO4

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Etching may be defined as the selective attack of grain and interphase boundaries and/or the selective attack of the phases themselves. In complex microstructures no single etchant may be effective and different etchants may be required in order to reveal different elements of the microstructure. Etchants usually consist of aqueous or alcoholic ...

In this article, we will explore several commonly used etchants, their applications, and provide a step-by-step guide for setting the temperature, concentration, and other parameters when injecting an etchant into an etching machine.

EDP etchant can be used on p-type wafers with <100> orientation, masked with either silicon dioxide or silicon nitride. It leaves a cleaner, smoother silicon surface with partial etch than KOH (see below). Heavy boron doping acts as an etch stop for EDP. Since EDP does not

etchant，英语单词，主要用作名词，作名词时译为”蚀刻剂“。

Etchant Information. Etchants in Metallography. Etchants are chemical solutions used in metallography to reveal the microstructure of materials. They selectively corrode specific components of a sample, making visible the details of grain boundaries, phases, and other structural features.

2007年12月6日 · The present study examines the possible etchants for copper and its alloys and reviews studies in detail to find out optimum etchant and its application parameters.

ETCHANT 释义: any acid or corrosive used for etching | 意思、发音、翻译及示例