Nano pattern writer
View Patent ↗A nano pattern writer includes an array of nano needles extending from a groove in a substrate. A first portion of each nano needle is located in a respective groove of the first layer and the second portion extends from the groove. The nano pattern writer includes a second layer covering the first layer such that the first portion of the nano needles is secured between the first layer and the second layer.
1. A nano pattern writer for forming a nanoscale pattern when scratched into a surface, comprising:
a first layer defining a substantially horizontal plane, the first layer comprising grooves;
a second layer positioned atop the substantially horizontal plane defined by the first layer; and
an array of nano needles sandwiched between the first and second layers, each nano needle of the array of nano needles having a first portion that fills a groove of the first layer and a second portion that extends outwardly from between the first and second layers in a direction parallel to the substantially horizontal plane, the second portion including a tapered distal end.
2. The nano pattern writer of claim 1 , wherein the array of nano needles has a hardness equal to or greater than 7 on the Mohs scale.
3. The nano pattern writer of claim 1 , wherein the array of nano needles comprises at least one of quartz, tungsten, tungsten carbide, tantalum carbide, diamond, or titanium alloys.
4. The nano pattern writer of claim 1 , wherein the array of nano needles has a substantially linear pattern having one column of nano needles.
5. The nano pattern writer of claim 1 , wherein the array of nano needles has a substantially rectangular pattern having two or more columns of nano needles.
6. The nano pattern writer of claim 1 , wherein at least a portion of the nano needles has a center-to-center spacing that is substantially uniform.
7. The nano pattern writer of claim 1 , wherein the nano needles have a center-to-center spacing that is in a range from about 10 nm to about 100 nm.
8. The nano pattern writer of claim 1 , wherein the nano needles have a center-to-center spacing that is in a range from about 100 nm to about 1000 nm.
9. A nano pattern writer, comprising:
a first layer comprising grooves, wherein the first layer defines a substantially horizontal plane;
a second layer positioned atop the substantially horizontal plane and covering the first layer; and
an array of nano needles sandwiched between the first and second layers, the array of nano needles having a center-to-center spacing in a range from 10 nm to 1000 nm, each nano needle of the array of nano needles having a first portion that fills a respective groove of the first layer and a second portion that extends in the horizontal plane outwardly in a direction parallel to the substantially horizontal plane from between the first and second layers.
10. The nano pattern writer of claim 9 , wherein at least a portion of the nano needles has a polygonal cross section.
11. The nano pattern writer of claim 10 , wherein the polygonal cross section is triangle shaped.
12. The nano pattern writer of claim 9 , wherein the array of nano needles has a hardness equal to or greater than 7 on the Mohs scale.
13. The nano pattern writer of claim 9 , wherein the array of nano needles comprises at least one of quartz, tungsten, tungsten carbide, tantalum carbide, diamond, or titanium alloys.
14. The nano pattern writer of claim 9 , wherein the nano needles have a center-to-center spacing that is in a range from about 10 nm to about 100 nm.
15. The nano pattern writer of claim 9 , wherein the nano needles have a center-to-center spacing that is in a range from about 100 nm to about 1000 nm.
16. A nano pattern writer for forming a nanoscale pattern when scratched into a surface, comprising:
a body that includes:
a first layer having a top surface that defines a horizontal plane, wherein the top surface of the first layer comprises grooves;
a second layer positioned atop and covering the top surface of the first layer; and
an array of nano needles sandwiched between the first and second layers,
each nano needle of the array of nano needles having a first portion that fills a respective groove forming a planar surface at the interface between the first layer, the grooves, and the second layer, and
each nano needle of the array of nano needles having a second portion that extends outwardly and away from the body from between the first and second layers in a direction parallel to the horizontal plane defined by the top surface of the first layer, the second portion including a tapered distal end.
17. A nano pattern writer as in claim 16 , wherein the planar surface is a polished surface.
18. The nano pattern writer of claim 16 , wherein the array of nano needles has a hardness equal to or greater than 7 on the Mohs scale.
19. The nano pattern writer of claim 16 , wherein the array of nano needles comprises at least one of quartz, tungsten, tungsten carbide, tantalum carbide, diamond, or titanium alloys.
20. The nano pattern writer of claim 16 , wherein the nano needles have a center-to-center spacing that is in a range from about 10 nm to about 1000 nm.