Tags RFID dabere na Graphene na-ekwe nkwa mgbanwe ọnụahịa nkeji nkeji

Ndị na-eme nchọpụta enwetala ọkwa dị ịrịba ama nke nwere mkpado RFID a na-ebipụta akwụkwọ mpịakọta na-efu ihe na-erughị $ 0.002 kwa otu - mbelata 90% site na mkpado omenala. Ihe ọhụrụ a na-adabere na eriri graphene laser-sintered nke na-enweta 8 dBi uru n'agbanyeghị na ọ bụ 0.08mm gbara ọkpụrụkpụ, dakọtara na iyi mmiri na-emegharị akwụkwọ.

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Ọganihu a na-enyere aka nkpado ọnụ ahịa ọnụ ahịa dị ọnụ ala na mbụ echere na ọ gaghị ekwe omume. Nnwale ọgwụ na-egosi nkwa: Mgbakwunye mkpọ blister na-enye ndị ọrịa aka igosipụta izi ezi ọgwụ mgbe ha na-enyocha nnabata usoro onunu site na ngwaọrụ NFC nyere.

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Otu ndị otu sayensị ihe na mahadum nyocha US mepụtara usoro plasma-enhanced chemical vapor deposition (PECVD) iji jikọta akwa graphene ozugbo na ihe ndị nwere ike imebi. "Usoro anyị na-enweta 98% iji ihe onwunwe ma e jiri ya tụnyere 60% na usoro etching omenala," onye ndu ọrụ ahụ kwuru, onye otu ya nwetara $15 nde na nso nso a na ego gọọmenti etiti maka ụlọ mmepụta ụgbọelu.

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Mmetụta teknụzụ a na-agafe karịa ngwa ngwa: Ndị otu gburugburu na-egosipụta ikike ibelata e-ifufu site na tọn 220,000 kwa afọ site na mkpado eco-mkpofu nke na-ere ere n'ime ụbọchị 90.


Oge nzipu: Mar-17-2025