Enviar artigo por via de e-mail Open cavity plastic packages – advantages, problems and solutions
- Autores: Vorobyov S.1
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Afiliações:
- ООО «Остек-ЭК»
- Edição: Nº 8 (2025)
- Páginas: 120-126
- Seção: Design solutions
- URL: https://journals.eco-vector.com/1992-4178/article/view/695983
- DOI: https://doi.org/10.22184/1992-4178.2025.250.8.120.126
- ID: 695983
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Resumo
The article examines the design features of open cavity plastic packages (OCPP) and the materials used in their manufacture, particularly liquid crystal polymers. The advantages of OCPP, such as improved high-frequency performance and increased thermal resistance, are analyzed.
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Sobre autores
S. Vorobyov
ООО «Остек-ЭК»
Autor responsável pela correspondência
Email: info@ostec-micro.ru
руководитель отдела микросборки и корпусирования
Rússia, МоскваBibliografia
- Высокоэффективные жидкокристаллические полимеры [Электронный ресурс]. Режим доступа: https://www.newchemistry.ru/ letter.php?n_id=586&cat_id=8. Дата обращения: 15.08.2025.
- Takata K., Pham A.-V. Electrical properties and practical applications of Liquid Crystal Polymer flex // Proceedings of IEEE Polytronic 2007 Conference. Kisarazu, Chiba, 2007. pp. 67–72.
- Koelnik M. H., Vanstraten G., Salhuana W., Bregante R., Knippscheer S. Reliability Considerations on LCP Air-Cavity Packages for Photonics Integrated Circuits (PICs). PHIX Photonics Assembly, 2025.
- Packaging options expand in RF power. Jeff Crowder, RJR Polymers, Inc. 2010 [Электронный ресурс]. Режим доступа: https://www.eetimes.com/ packaging-options-expand-in-rf-power/. Дата обращения: 05.08.2025
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Ação
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Fig. 1. Examples of components packaged in plastic
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Fig. 2. Operating principle of injection molding and compression molding
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Fig. 3. Typical design of OCPP housing [4]
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Fig. 4. External appearance of OCPP cases
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Fig. 5. Fragment of a lead frame with 3030 housings for white LEDs
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Fig. 6. Typical structure of a liquid crystal polymer (image courtesy of Ticona [1])
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Fig. 7. The difference between a “regular” and a liquid crystal polymer
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Fig. 8. Samples of OCPP cases
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Fig. 9. Options for sealing crystals in OCPP packages (source: QP Technologies website)
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Fig. 10. Installation of a cover with pre-cured epoxy adhesive (source: Intech Technologies website)
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