Explain etch process removing copper ferrite chloride? Why a mask used? Why is a negative image required? Why anything black removed and anything white will be copper? If two layers, why does top layer have to be mirrored so that ink surface on tracing paper touches photoresist?

Explain etch process removing copper ferrite chloride? Why a mask used? Why is a negative image required? Why anything black removed and anything white will be copper? If two layers, why does top layer have to be mirrored so that ink surface on tracing paper touches photoresist?

Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU1: Alchemy: Matter, Atomic Structure, And Bonding

SectionU1.17: Technicolor Atoms: Flame Tests

Problem 9E

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

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