国家/地区 英国（2）
IPC部 G（2） H（2）
IPC大类 G01（2）
IPC小类
IPC
发明人 BIDDULPH P D（2）
公开年 2022（2）
申请年 2021（2） 
专利权人 PARAGRAF LTD（2）

Audio transducer, such as microphone, for use on spacecraft or on instruments for use on other planets or satellites, comprises first graphene sheet located within magnetic zone, where second graphene sheet has fixed position relative to first graphene sheet.

SCARROW B, LAMBERT A D, BIDDULPH P D

Graphene hall sensor for operation at cryogenic temperatures, comprises substrate, encapsulating layer formed on graphene sheet provided on substrate, dielectric layer or alumina layer provided on graphene sheet, where graphene sheet and dielectric layer share continuous outer edge surface.

LEE L Y, BAINES R, BIDDULPH P D, GLASS H