Patent ID: 11971405
Assignee: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 19:
20. A method of making a sensor, the method comprising:
providing a chip having a first layer and a second layer;
forming a dual nanohole structure in the first layer; and
forming a nanopore in the second layer;
wherein the dual nanohole structure comprises a first nanohole and a second nanohole connected by a gap, the gap being aligned with the nanopore of the second layer in a direction corresponding to a translocation direction across the first and second layers,
wherein the dual nanohole structure extends through the first layer but does not extend into the second layer;
wherein the gap has a width of 10-50 nm; and
wherein the nanopore entirely passes through the second layer in the translocation direction.