Alignment devices

Patent metadata

Field	Value
Publication number	US-11278928-B2
Application number	US-201816766246-A
Country	US
Kind code	B2
Filing date	Jan 30, 2018
Priority date	Jan 30, 2018
Publication date	Mar 22, 2022
Grant date	Mar 22, 2022

Abstract

An alignment system, in an example, may include a substrate comprising at least one nanowell, at least one fluid ejection device comprising at least one die, the at least one die comprising as least one nozzle, and an alignment device to align the at least one nozzle to the at least one nanowell.

First claim

What is claimed is:

1. An alignment system, comprising:
a substrate comprising at least one nanowell;
at least one fluid ejection device comprising at least one die, the at least one die comprising at least one nozzle; and
an alignment device to align the at least one nozzle to the at least one nanowell,
wherein the alignment device comprises a light source and two different light sensors, the light source positioned to provide light to both of the two different light sensors when the substrate and at least one fluid ejection device are aligned in two different dimensions, and
wherein the two different light sensors are disposed on the at least one fluid ejection device, the alignment system further comprising a reflector on the substrate positioned to reflect light from the light source to both of the two different light sensors when the substrate and at least one fluid ejection device are aligned in two different dimensions.

2. The alignment system of claim 1 , the alignment device further comprising a light source and a light sensor.

3. The alignment system of claim 2 , further comprising a window in a surface of the fluid ejection device, wherein the light source is positioned to pass light through the window in the surface of the fluid ejection device before the light is detected by the light sensor.

4. The alignment system of claim 2 , the substrate further comprising a reflective surface positioned relative to the light source such that light from the light source is reflected off of the reflective surface and directed to the light sensor when the at least one nanowell is aligned with a nozzle of the at least one die.

5. The alignment system of claim 3 , wherein the light sensor is disposed on a portion of the surface of the fluid ejection device.

6. The alignment system of claim 2 , further comprising a window in the at least one die, wherein the light source is positioned to pass light through the window in the at least one die such that the light is reflected off of a reflective surface coupled to the substrate and directed to the light sensor when the at least one nanowell is aligned with a nozzle of the at least one die.

7. The alignment system of claim 1 , the alignment device comprising a light source coupled to the at least one fluid ejection device and a light sensor coupled to the substrate.

8. The alignment system of claim 2 , wherein the light source is disposed on the at least one fluid ejection device.

9. The alignment system of claim 1 , wherein the two different dimensions comprises one of a pitch of the substrate and a yaw of the substrate.

10. The alignment system of claim 2 , wherein the light sensor is disposed on the substrate.

Assignees

• Hewlett Packard Development Co

Inventors

• Pugliese Roberto A
• Nielsen Jeffrey A
• Dudenhoefer Christie
• Olbrich Craig
• Thomas Debora J

Classifications

• B05C5/02

  {the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g.} from an outlet device in contact or almost in contact, with the work · CPC title

• B05C11/00 Primary

  Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00 (means for manipulating or holding work B05C13/00; enclosures for apparatus, booths B05C15/00; spray booths B05B16/00) · CPC title

• B41J2/075

  for many-valued deflection · CPC title

• G01N35/10

  Devices for transferring samples {or any liquids} to, in, or from, the analysis apparatus, e.g. suction devices, injection devices {(G01N35/0099 takes precedence)} · CPC title

• G01N2035/1041

  Ink-jet like dispensers · CPC title