Part Number: SN74LVC32373A
Dear Sir or Madame.
I have got a question from a Customer who asking for CTE and Young's modulus SN74LVC32373AZKER substrate listed below..
I wonder if you can help me with this information please?
Thank you in advance!
Yours faithfully,
Mathias Axelssson
CTE and Young´s modulus for substrate material (according to material declaration it is “epoxy” with a proprietary filler, and plated copper).
Excerpt from material declaration:
” - <HomogeneousMaterial name="Substrate">
<Amount unitOfMeasure="mg" weight="12.730000" />
- <SubstanceCatagory jigLevel="Supplier" name="Copper and Its Alloys">
- <Substance cas="7440-50-8" name="Copper">
<Amount ppm="522000" unitOfMeasure="mg" weight="6.645060" />
</Substance>
</SubstanceCatagory>
+ <SubstanceCatagory jigLevel="B" name="Nickel and Its Alloys">
- <Substance cas="7440-02-0" name="Nickel">
<Amount ppm="10700" unitOfMeasure="mg" weight="0.136211" />
</Substance>
</SubstanceCatagory>
- <SubstanceCatagory jigLevel="Supplier" name="Not Categorized">
- <Substance cas="" name="Proprietary Filler">
<Amount ppm="36000" unitOfMeasure="mg" weight="0.458280" />
</Substance>
</SubstanceCatagory>
+ <SubstanceCatagory jigLevel="Supplier" name="Other Nonferrous Metals and Alloys">
- <Substance cas="7440-47-3" name="Chromium">
<Amount ppm="300" unitOfMeasure="mg" weight="0.003819" />
</Substance>
</SubstanceCatagory>
+ <SubstanceCatagory jigLevel="Supplier" name="Other Nonferrous Metals and Alloys">
- <Substance cas="7440-31-5" name="Tin">
<Amount ppm="200" unitOfMeasure="mg" weight="0.002546" />
</Substance>
</SubstanceCatagory>
+ <SubstanceCatagory jigLevel="Supplier" name="Precious Metals">
- <Substance cas="7440-57-5" name="Gold">
<Amount ppm="9200" unitOfMeasure="mg" weight="0.117116" />
</Substance>
</SubstanceCatagory>
- <SubstanceCatagory jigLevel="Supplier" name="Thermoplastics">
- <Substance cas="85954-11-6" name="Epoxy">
<Amount ppm="421500" unitOfMeasure="mg" weight="5.365695" />
</Substance>
</SubstanceCatagory>
+ <SubstanceCatagory jigLevel="Supplier" name="Zinc and Its Alloys">
- <Substance cas="7440-66-6" name="Zinc">
<Amount ppm="100" unitOfMeasure="mg" weight="0.001273" />
</Substance>
</SubstanceCatagory>
</HomogeneousMaterial>”
