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Preventing non-uniform shrinkage in open-die hot embossing of PMMA microstructures

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Title: Preventing non-uniform shrinkage in open-die hot embossing of PMMA microstructures
Authors: Lin, C.-R.1, Chen, R.-H.1, Hung, C. chhung@cc.nctu.edu.tw
Source: Journal of Materials Processing Technology. Sep2003, Vol. 140 Issue 1-3, p173. 6p.
Subjects: Polymers, Pressure, Cooling
Abstract: The quality of a product made by hot embossing is affected by its cooling shrinkage. The special pressure-specific volume–temperature characteristics of polymer are such that the specific volume of polymer varies with pressure during cooling. Therefore, the shrinkage of polymer depends on the embossing pressure. This paper analyzes, both analytically and numerically, the pressure distributions on the surface of polymer during hot embossing process. The results indicate that a higher embossing pressure results in more uniform shrinkage in the elastically deformed state during cooling. [Copyright &y& Elsevier]
Copyright of Journal of Materials Processing Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 10743654
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Preventing non-uniform shrinkage in open-die hot embossing of PMMA microstructures
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  Data: <searchLink fieldCode="AR" term="%22Lin%2C+C%2E-R%2E%22">Lin, C.-R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chen%2C+R%2E-H%2E%22">Chen, R.-H.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Hung%2C+C%2E%22">Hung, C.</searchLink><i> chhung@cc.nctu.edu.tw</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Processing+Technology%22">Journal of Materials Processing Technology</searchLink>. Sep2003, Vol. 140 Issue 1-3, p173. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Polymers%22">Polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Pressure%22">Pressure</searchLink><br /><searchLink fieldCode="DE" term="%22Cooling%22">Cooling</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The quality of a product made by hot embossing is affected by its cooling shrinkage. The special pressure-specific volume–temperature characteristics of polymer are such that the specific volume of polymer varies with pressure during cooling. Therefore, the shrinkage of polymer depends on the embossing pressure. This paper analyzes, both analytically and numerically, the pressure distributions on the surface of polymer during hot embossing process. The results indicate that a higher embossing pressure results in more uniform shrinkage in the elastically deformed state during cooling. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Materials Processing Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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    Identifiers:
      – Type: doi
        Value: 10.1016/S0924-0136(03)00709-X
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      – Code: eng
        Text: English
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        PageCount: 6
        StartPage: 173
    Subjects:
      – SubjectFull: Polymers
        Type: general
      – SubjectFull: Pressure
        Type: general
      – SubjectFull: Cooling
        Type: general
    Titles:
      – TitleFull: Preventing non-uniform shrinkage in open-die hot embossing of PMMA microstructures
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            NameFull: Lin, C.-R.
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            NameFull: Chen, R.-H.
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            NameFull: Hung, C.
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            – D: 22
              M: 09
              Text: Sep2003
              Type: published
              Y: 2003
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            – TitleFull: Journal of Materials Processing Technology
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