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DTSTART:20241006T030000
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BEGIN:VEVENT
DTSTAMP:20240410T095622Z
UID:C2025CD7-4B23-4B0E-BA98-EB629FCE3293
DTSTART;TZID=Australia/Sydney:20240409T110000
DTEND;TZID=Australia/Sydney:20240409T234500
DESCRIPTION:Getters are materials that chemically bind selected gas molecul
 es after their activation. They are useful in maintaining vacuum quality i
 n hermetic packages and have\, therefore\, been used with electronic devic
 es since the advent of vacuum tubes\, to prolong the useful lifetime of th
 e device. However\, once a getter has saturated\, it can no longer bind ad
 ditional molecules\, at which point the vacuum quality begins to degrade. 
 This is an open-loop system where getter saturation may only be detected b
 y the electronic component failing. To mitigate this issue\, the STAYDRY H
 iCap2019 getter was integrated with a sense capacitor such that the result
 ing capacitance decreased as the getter bound water molecules. Connecting 
 this capacitor with a planar inductor realized a passive wireless LC senso
 r tag that could be inductively coupled with an external feedback oscillat
 or. A prototype system demonstrated a 22 kHz frequency change over the ful
 l moisture capturing range of the getter\, yielding a linear model with a 
 sensitivity of 220 Hz per percent getter usage. The resulting wireless ins
 trumented getter tag is suitable for use in hermetically packaged electron
 ics.\n\nSpeaker(s): Prof. Robert Dean\, \n\nRoom: 211\, Bldg: 4 WR\, Sydne
 y\, New South Wales\, Australia\, 2109\, Virtual: https://events.vtools.ie
 ee.org/m/413413
LOCATION:Room: 211\, Bldg: 4 WR\, Sydney\, New South Wales\, Australia\, 21
 09\, Virtual: https://events.vtools.ieee.org/m/413413
ORGANIZER:Subhas.Mukhopadhyay@mq.edu.au
SEQUENCE:13
SUMMARY:A Passive Wireless Instrumented Getter
URL;VALUE=URI:https://events.vtools.ieee.org/m/413413
X-ALT-DESC:Description: <br /><p class="MsoNormal" style="margin-bottom: .0
 001pt\; line-height: normal\; mso-layout-grid-align: none\; text-autospace
 : none\;"><span lang="EN-US" style="font-size: 12.0pt\; font-family: 'Time
 s New Roman'\,serif\; mso-font-kerning: 0pt\;">Getters are materials that 
 chemically bind selected gas molecules after their activation. They are us
 eful in maintaining vacuum quality in hermetic packages and have\, therefo
 re\, been used with electronic devices since the advent of vacuum tubes\, 
 to prolong the useful lifetime of the device. However\, once a getter has 
 saturated\, it can no longer bind additional molecules\, at which point th
 e vacuum quality begins to degrade. This is an open-loop system where gett
 er saturation may only be detected by the electronic component failing. To
  mitigate this issue\, the STAYDRY HiCap2019 getter was integrated with a 
 sense capacitor such that the resulting capacitance decreased as the gette
 r bound water molecules. Connecting this capacitor with a planar inductor 
 realized a passive wireless LC sensor tag that could be inductively couple
 d with an external feedback oscillator. A prototype system demonstrated a 
 22 kHz frequency change over the full moisture capturing range of the gett
 er\, yielding a linear model with a sensitivity of 220 Hz per percent gett
 er usage. The resulting wireless instrumented getter tag is suitable for u
 se in hermetically packaged electronics.</span></p>
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