ETCHING SOLUTION AND METHOD FOR ALUMINUM NITRIDE

Described herein are etching solutions and method of using the etching solutions suitable for etching aluminum nitride (AlN) from a semiconductor substrate during the manufacture of a semiconductor device comprising AlN and silicon material without harming the silicon material. The etching solution...

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Bibliographische Detailangaben
Hauptverfasser: LEE, Yi-Chia, LIU, Wen Dar, CHANG, Chung Yi
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Described herein are etching solutions and method of using the etching solutions suitable for etching aluminum nitride (AlN) from a semiconductor substrate during the manufacture of a semiconductor device comprising AlN and silicon material without harming the silicon material. The etching solution comprises a cationic surfactant, water, a base, and a water-miscible organic solvent.