Difference between revisions of "Paste painting procedure"

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This document description the application proceedures to safely apply the ED-7100 carbon paste.
 
This document description the application proceedures to safely apply the ED-7100 carbon paste.
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Using  ED-7100 carbon paste is to avoid the sparks in TGEM-foil when the voltage is higher than 4900 V, in addition to use the paste for painting a neutron sensitive layer on the surface of the TGEM-foil after being mixed with Thorium-232.
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[[File:ED7100_Series_paste.pdf]]
  
 
=Requirements for safe handling=
 
=Requirements for safe handling=
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;The following are required for applying the paste:
 
;The following are required for applying the paste:
  
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1- Gloves,goggles.
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# Gloves,goggles.
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#suitable protection clothes.
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2- suitable protection clothes.
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# sack of sand or absorber for cleaning the area.
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3- sack of sand or absorber for cleaning the area.
 
  
 
=Paste Application Procedure=
 
=Paste Application Procedure=
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; Aim:
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; a- Review the "Requirements for Safe Handling" section preceding this one before using the paste.[http://wiki.iac.isu.edu/index.php/Paste_painting_procedure#Requirements_for_safe_handling]
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ED7100 paste thickness effect on the electrical resistance of a copper plate. [http://wiki.iac.isu.edu/index.php/File:ED7100_Series_paste.pdf]
 
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; a- Look at the safety conditions before using the paste.[http://wiki.iac.isu.edu/index.php/Paste_painting_procedure#Requirements_for_safe_handling]
 
  
 
; b- Equipment And Tools:
 
; b- Equipment And Tools:
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ED-7100 paste,
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#ED-7100 paste
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cleaner,
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# isobutanol for cleaning,
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CLR A/F lens blue frame revolution dust goggles,
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#CLR A/F lens blue frame revolution dust goggles
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27"WD 36"L vinyl clear ansell chem-resist apron,
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#27"WD 36"L vinyl clear ansell chem-resist apron
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35"WD 45"L neoprne Black ansell chem-resist apron,
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#35"WD 45"L neoprene Black ansell chem-resist apron
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8511 N90 3M particulate respirator,
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#8511 N90 3M particulate respirator
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Nitrile disposal gloves.
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#Nitrile disposal gloves
 
    
 
    
  
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; d- Paste Processing:
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; d- Application steps:
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1- Add the paste to copper plate.(using a brush or a semi-mechanical printer)
 
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2- Clean the paste residues using the cleaner.
 
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3- Curing for 1 - 2h 30min. at 150 - 165 degrees Celsius.(Contact the company for IR-curing)
 
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= Oven Curing Procedure  =
 
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1.) put on mask and apron (use goggles if spraying paste using printer)
 
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2.) establish a work area under the ventilatin hood in the Laboratory for Detector Science
 
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3.) mix paste (if reducing is needed) under the hood for sufficient ventilation
 
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4.) use applicator to smear paste on pc-board
 
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5.) cure past
 
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6.)  post processing/ cleanup
 
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=General information: 11/9/09=
 
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(call : electrica 877-867-9668 : Jeff miller 630-816-1865 or jmiller@toryon.com for an order),
 
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Semi auto printer is recommended for the paste, the reducer should be added with very little quantities such that the characteristics of the paste will not change.
 
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Jeff from electrica sent the following email:
 
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Hi Haitham,
 
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  I looked into screen printing equipment and found a manufacture by the name of M&R Printing,
 
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  if you go on the internet and type that in you can look to see if they have something that would fit.
 
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Other than that I know some people have used equipment.  With regards to the SW100 we have a material that is the same which is   
 
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  our Additive T.  If you need a pint of that testing let me know.
 
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Hope this helps
 
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Jeff
 
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I looked at the website related to printing equipments, they have many choices but I still need to discuss more about what do we need exactly.
 
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I sent to him to send us additive T instead of SW100.
 
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;Nov.18 :
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#put on mask and apron (use goggles if spraying paste using printer)
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I called Jeff asking about the additive T , he is requesting a sample, since it comes usually in 65 gallon per sample. Also the sample will be sent to Tony Forest, Physics Department.  
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#establish a work area under the ventilatin hood in the Laboratory for Detector Science#Add the paste to copper plate.(using a brush or a semi-mechanical printer)
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#mix paste (if reducing is needed) under the hood for sufficient ventilation
 +
#use applicator to smear paste on pc-board
 +
#Clean the paste residues using isobutanol cleaner.
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# Cure for 1 - 2h 30min. at 150 - 165 degrees Celsius.(Contact the company for IR-curing)
  
  
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[[http://wiki.iac.isu.edu/index.php/Neutron_TGEM_Detector_Abdel#10.2F27.2F09_.28Paste_painting_procedure.29
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Back to the main page [http://wiki.iac.isu.edu/index.php/Neutron_TGEM_Detector_Abdel#10.2F27.2F09_.28Paste_painting_procedure.29]
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]]
 

Latest revision as of 15:55, 5 March 2012

Purpose

This document description the application proceedures to safely apply the ED-7100 carbon paste. File:ED7100 Series paste.pdf

Requirements for safe handling

Before opening the paste please read the ED-7100 Safety Data Sheet located at

http://wiki.iac.isu.edu/index.php/File:ED7100_OSHA_MSDS.pdf

Be sure that the following are available:

Ventilation

An externally venting fume hood is recommended when working with this paste or a work area with very good ventilation.

Poor Ventilation area

Wear a well fitted NIOSH approved or industrial type canister mask.

http://www1.mscdirect.com/CGI/NNSRIT?PMPXNO=1651332&PMT4NO=0
http://www1.mscdirect.com/Disposable-Respirators-And-Masks/Respiratory-Protection/Safety/s0000002069.HTML


The following are required for applying the paste
  1. Gloves,goggles.
  2. suitable protection clothes.
  3. sack of sand or absorber for cleaning the area.

Paste Application Procedure

a- Review the "Requirements for Safe Handling" section preceding this one before using the paste.[1]
b- Equipment And Tools
  1. ED-7100 paste
  2. isobutanol for cleaning,
  3. CLR A/F lens blue frame revolution dust goggles
  4. 27"WD 36"L vinyl clear ansell chem-resist apron
  5. 35"WD 45"L neoprene Black ansell chem-resist apron
  6. 8511 N90 3M particulate respirator
  7. Nitrile disposal gloves


d- Application steps
  1. put on mask and apron (use goggles if spraying paste using printer)
  2. establish a work area under the ventilatin hood in the Laboratory for Detector Science#Add the paste to copper plate.(using a brush or a semi-mechanical printer)
  3. mix paste (if reducing is needed) under the hood for sufficient ventilation
  4. use applicator to smear paste on pc-board
  5. Clean the paste residues using isobutanol cleaner.
  6. Cure for 1 - 2h 30min. at 150 - 165 degrees Celsius.(Contact the company for IR-curing)


Back to the main page [2]

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