Solid state memory component
View Patent ↗Solid state memory technology is disclosed. A solid state memory component can include a plurality of bit lines, a source line, and a plurality of non-functional memory pillars. Each non-functional memory pillar is electrically isolated from one or both of the plurality of bit lines and the source line. A solid state memory component can include a plurality of pillars located in a periphery portion of the solid state memory component, and memory cells adjacent to each of the pillars. Associated systems and methods are also disclosed.
1. A solid state memory component, comprising:
a plurality of bit lines;
a source line; and
a plurality of non-functional memory pillars, each non-functional memory pillar being electrically isolated from one or both of the plurality of bit lines and the source line.
2. The solid state memory component of claim 1 , further comprising a plurality of functional memory pillars, each functional memory pillar being electrically coupled to one of the plurality of bit lines and one of the source line.
3. The solid state memory component of claim 2 , wherein the plurality of functional memory pillars is located in a memory array portion of the memory component, and the plurality of non-functional memory pillars is located in a periphery portion of the solid state memory component.
4. The solid state memory component of claim 2 , wherein the plurality of functional memory pillars and the plurality of non-functional memory pillars are vertically oriented.
5. The solid state memory component of claim 2 , wherein memory cells are adjacent to each of the functional memory pillars and the non-functional memory pillars.
6. The solid state memory component of claim 5 , wherein each memory cell comprises a charge storage structure.
7. The solid state memory component of claim 5 , wherein each memory cell comprises:
a tunnel dielectric adjacent to the functional or non-functional memory pillar;
a charge storage structure adjacent to the tunnel dielectric;
a blocking dielectric adjacent to the charge-storage structure; and
a control gate adjacent to the blocking dielectric.
8. The solid state memory component of claim 5 , wherein strings of the memory cells adjacent to the functional memory pillars are coupled in series.
9. The solid state memory component of claim 1 , wherein at least some of the plurality of non-functional memory pillars are located in a periphery portion of the solid state memory component.
10. The solid state memory component of claim 1 , wherein memory cells are adjacent to each of the non-functional memory pillars.
11. A memory device, comprising:
a substrate;
a solid state memory component operably coupled to the substrate, the solid state memory component having
a plurality of bit lines,
a source line, and
a plurality of non-functional memory pillars, each non-functional memory pillar being electrically isolated from one or both of the plurality of bit lines and the source line.
12. The memory device of claim 11 , further comprising a plurality of functional memory pillars, each functional memory pillar being electrically coupled to one of the plurality of bit lines and one of the source line.
13. The memory device of claim 12 , wherein the plurality of functional memory pillars and the plurality of non-functional memory pillars are uniformly distributed across the solid state memory component.
14. The memory device of claim 12 , wherein the plurality of functional memory pillars is located in a memory array portion of the solid state memory component, and the plurality of non-functional memory pillars is located in a periphery portion of the solid state memory component.
15. The memory device of claim 12 , wherein the plurality of functional memory pillars and the plurality of non-functional memory pillars are vertically oriented.
16. The memory device of claim 12 , wherein memory cells are adjacent to each of the functional memory pillars and the non-functional memory pillars.
17. The memory device of claim 16 , wherein each memory cell comprises a charge storage structure.
18. The memory device of claim 17 , wherein the charge storage structure is a floating gate.
19. The memory device of claim 16 , wherein each memory cell comprises a control gate.
20. The memory device of claim 16 , wherein each memory cell comprises:
a tunnel dielectric adjacent to the functional or non-functional memory pillar;
a charge storage structure adjacent to the tunnel dielectric;
a blocking dielectric adjacent to the charge-storage structure; and
a control gate adjacent to the blocking dielectric.
21. The memory device of claim 16 , wherein strings of the memory cells adjacent to the functional memory pillars are coupled in series.
22. The memory device of claim 11 , further comprising a CPU, a GPU, a memory controller, a video decoder, an audio decoder, a video encoder, a camera processor, system memory, a modem, or a combination thereof.
23. A method for minimizing structural misalignment during manufacture of a solid state memory component, comprising:
forming a plurality of memory pillars in a memory array portion of the solid state memory component; and
forming a plurality of memory pillars in a periphery portion of the solid state memory component.
24. The method of claim 23 , further comprising forming memory cells adjacent to each of the memory pillars.
25. The method of claim 24 , wherein forming memory cells comprises:
forming tunnel dielectrics adjacent to the memory pillars;
forming charge storage structures adjacent to the tunnel dielectrics;
forming blocking dielectrics adjacent to the charge storage structures; and
forming control gates adjacent to the blocking dielectrics.