Method of masking and de-masking

Patent metadata

Field	Value
Publication number	US-10448519-B2
Application number	US-201715641138-A
Country	US
Kind code	B2
Filing date	Jul 3, 2017
Priority date	Jul 1, 2016
Publication date	Oct 15, 2019
Grant date	Oct 15, 2019

Abstract

A method of masking a feature of a substrate using a fixture includes removably coupling a fixture to a first side of the feature of the substrate, the fixture including walls configured to abut sides of the feature and extend beyond a top surface of the feature when the fixture is removably coupled to the first side. The method further includes applying a masking material to the top surface of the feature. The method further includes removably coupling the fixture to a second side of the feature, the second side opposing the first side, the walls of the fixture configured to abut the sides of the feature and extend beyond a bottom surface of the feature when the fixture is removably coupled to the second side. The method further includes applying the masking material to the bottom surface of the feature while the fixture is removably coupled.

First claim

What is claimed:

1. A method of masking a feature of a substrate using a fixture, comprising:
removably coupling a fixture to a first side of the feature of the substrate, the fixture comprising walls configured to abut sides of the feature and extend beyond a top surface of the feature when the fixture is removably coupled to the first side, wherein the walls of the fixture extend through apertures of the substrate when the fixture is coupled to the first side of the feature of the substrate;
applying a masking material to the top surface of the feature while the fixture is removably coupled to the first side of the feature;
removably coupling the fixture to a second side of the feature, the second side opposing the first side, the walls of the fixture configured to abut the sides of the feature and extend beyond a bottom surface of the feature when the fixture is removably coupled to the second side; and
applying the masking material to the bottom surface of the feature while the fixture is removably coupled to the second side of the feature.

2. The method of claim 1 , wherein the walls of the fixture extend through the apertures of the substrate when the fixture is coupled to the second side of the feature of the substrate.

3. The method of claim 2 , wherein the walls of the fixture extend perpendicular to a base of the fixture.

4. The method of claim 3 , wherein removably coupling the fixture to the first side of the feature of the substrate comprises forming a partial interference fit with the walls of the fixture on the sides of the feature.

5. The method of claim 1 , wherein the walls of the fixture comprises a first wall and a second wall, wherein the first wall is parallel to the second wall.

6. The method of claim 5 , wherein removably coupling the fixture to the first side of the feature of the substrate comprises inserting the first wall through a first aperture of the substrate and inserting the second wall through a second aperture of the substrate.

7. The method of claim 1 , wherein applying the masking material to the top surface of the feature comprises applying a glue to the top surface of the feature.

8. A method of masking a feature of a substrate using a fixture, comprising:
removably coupling a fixture to a first side of the feature of the substrate, the fixture comprising walls configured to abut sides of the feature and extend beyond a top surface of the feature when the fixture is removably coupled to the first side, wherein the walls of the fixture comprise a first wall and a second wall, wherein the first wall is parallel to the second wall, wherein removably coupling the fixture to the first side of the feature of the substrate comprises inserting the first wall through a first aperture of the substrate and inserting the second wall through a second aperture of the substrate;
applying a masking material to the top surface of the feature while the fixture is removably coupled to the first side of the feature;
removably coupling the fixture to a second side of the feature, the second side opposing the first side, the walls of the fixture configured to abut the sides of the feature and extend beyond a bottom surface of the feature when the fixture is removably coupled to the second side; and
applying the masking material to the bottom surface of the feature while the fixture is removably coupled to the second side of the feature.

9. The method of claim 8 , wherein the walls of the fixture extend through apertures of the substrate when the fixture is coupled to the first side of the feature of the substrate.

10. The method of claim 9 , wherein the walls of the fixture extend through the apertures of the substrate when the fixture is coupled to the second side of the feature of the substrate.

11. The method of claim 8 , wherein removably coupling the fixture to the first side of the feature of the substrate comprises forming a partial interference fit with the walls of the fixture on the sides of the feature.

12. A method of masking a feature of a substrate using a fixture, comprising:
removably coupling a fixture to a first side of the feature of the substrate, the fixture comprising walls configured to abut sides of the feature and extend beyond a top surface of the feature when the fixture is removably coupled to the first side, wherein the walls of the fixture extend through apertures of the substrate when the fixture is coupled to the first side of the feature of the substrate; and
applying a masking material to the top surface of the feature while the fixture is removably coupled to the first side of the feature.

13. The method of claim 12 , wherein removably coupling the fixture to the first side of the feature of the substrate comprises forming a partial interference fit with the walls of the fixture on the sides of the feature.

14. The method of claim 12 , wherein the walls of the fixture extend through the apertures of the substrate when the fixture is coupled to the second side of the feature of the substrate.

15. The method of claim 12 , wherein the walls of the fixture comprises a first wall and a second wall, wherein the first wall is parallel to the second wall.

16. The method of claim 12 , wherein removably coupling the fixture to the first side of the feature of the substrate comprises inserting the first wall through a first aperture of the substrate and inserting the second wall through a second aperture of the substrate.

17. The method of claim 12 , wherein applying the masking material to the top surface of the feature comprises applying a glue to the top surface of the feature.

Assignees

• Hzo Inc

Inventors

• Su Joshua
• Yun Yang
• Liu Howard

Classifications

• B05D1/322

  Removable films used as masks · CPC title

• H05K2203/0195

  Tool for a process not provided for in H05K3/00, e.g. tool for handling objects using suction, for deforming objects, for applying local pressure · CPC title

• H05K2203/0228

  Cutting, sawing, milling or shearing · CPC title

• B05D2252/10

  Applying the material on both sides · CPC title

• H05K3/4644 Primary

  by building the multilayer layer by layer, i.e. build-up multilayer circuits (making via holes in the insulating layers H05K3/0011; special circuit boards as base or core whereon the multilayer is built H05K3/4602) · CPC title