[Retracted] Fabrication of Hollow Needle Tips with Nanoholes by Plasma Maskless Processing and Calculation and Detection of Complex Surface Edges

<div>Relationship between characteristic curve and source voltage and external voltage. (a) Relationship between VI characteristics and source voltage. (b) Relationship between VI characteristics and external resistance.</div>

Advances in Materials Science and Engineering

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Figure 9

Figure 9: [Retracted] Fabrication of Hollow Needle Tips with Nanoholes by Plasma Maskless Processing and Calculation and Detection of Complex Surface Edges 

Figure 9 | [Retracted] Fabrication of Hollow Needle Tips with Nanoholes by Plasma Maskless Processing and Calculation and Detection of Complex Surface Edges 