Ram-air sample collection device for a chemical warfare agent sensor

Patent · 01 January 2002

OSTI ID:874695

Megerle, Clifford A ^[1]; Adkins, Douglas R ^[2]; Frye-Mason, Gregory C ^[3]

---

1. Manassas, VA
2. Albuquerque, NM
3. Cedar Crest, NM

In a surface acoustic wave sensor mounted within a body, the sensor having a surface acoustic wave array detector and a micro-fabricated sample preconcentrator exposed on a surface of the body, an apparatus for collecting air for the sensor, comprising a housing operatively arranged to mount atop the body, the housing including a multi-stage channel having an inlet and an outlet, the channel having a first stage having a first height and width proximate the inlet, a second stage having a second lower height and width proximate the micro-fabricated sample preconcentrator, a third stage having a still lower third height and width proximate the surface acoustic wave array detector, and a fourth stage having a fourth height and width proximate the outlet, where the fourth height and width are substantially the same as the first height and width.

• Research Organization: SANDIA CORP
• DOE Contract Number: AC04-94AL85000
• Assignee: Lockheed Martin Corporation (Bethesda, MD)
• Patent Number(s): US 6442997
• OSTI ID: 874695
• Country of Publication: United States
• Language: English

Related Subjects

/73/204/310/
acoustic
acoustic wave
agent
air
air sample
apparatus
arranged
array
array detector
atop
channel
chemical
collecting
collection
comprising
detector
device
exposed
fourth
height
housing
including
inlet
micro-fabricated
mount
mounted
multi-stage
operatively
outlet
preconcentrator
proximate
ram-air
sample
sensor
sensor mounted
stage
substantially
surface
surface acoustic
third
warfare
wave
wave sensor
width