Production of Semiconductors (Leaving Cert Engineering): Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Semiconductor production creates
Semiconductor production creates
Complex electronic components with billions of parts (transistors, diodes, resistors, capacitors)
Silicon wafer definition
Silicon wafer definition
Foundation/base for building semiconductor circuits
Ingot in semiconductor manufacturing
Ingot in semiconductor manufacturing
Large cylindrical block of pure silicon
Wet oxidation creates
Wet oxidation creates
Thin silicon dioxide protective layer on wafer
Integrated circuit (IC)
Integrated circuit (IC)
Many electronic components working together seamlessly
Photolithography purpose
Photolithography purpose
Transfers circuit designs onto wafer using light
Photomask
Photomask
Stencil for circuit design in photolithography
Etching purpose
Etching purpose
Selectively removes unwanted material from wafer
Dry vs wet etching precision
Dry vs wet etching precision
Dry/plasma etching more precise than wet etching
Thin-film process
Thin-film process
Deposits materials at atomic/molecular level on wafer
Ion implantation
Ion implantation
Introduces specific atoms into layers to modify electrical properties
Metal interconnect process
Metal interconnect process
Creates electrical pathways connecting circuit elements
Yield in semiconductor production
Yield in semiconductor production
Percentage of functional chips produced from wafer
EDS (Electrical Die Sorting)
EDS (Electrical Die Sorting)
Tests each chip before packaging for quality control
Packaging functions (3)
Packaging functions (3)
Electrical connections, physical protection, thermal mgmt
