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Improving the High-Frequency Response of PEI-Based Earphone with Sodium Copper Chlorophyllin
The polyetherimide diaphragm, sodium copper chlorophyllin (SCC), and copper ion coating composite used on earphones were observed to improve the high-frequency (10k–14k Hz) performance. This reinforcement phenomenon was expected to make the sound experience brighter and more diverse. By SEM observat...
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| Pubblicato in: | Molecules |
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| Autori principali: | , , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
MDPI
2020
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6983146/ https://ncbi.nlm.nih.gov/pubmed/31948101 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.3390/molecules25010219 |
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