← 返回 JSSC 论文列表JSSC 2024第8期RF & Wireless55nmEnergy Harvesting
A Battery-Free Neural-Recording Chip Achieving 55 cm Fully-Implanted Depth by Ga
提出一种无电池神经记录芯片，通过电导切换被动体通信技术实现5.5厘米植入深度。
55nm CMOS, 5.5cm通信范围, 4.4×10−6误码率
无电池神经记录体通信电导切换植入式设备
▸采用电导切换被动体通信技术扩展功率传输和无线通信的有效范围
▸利用脑组织形成电导回路进行功率传输
▸通过神经记录数据切换回路电流实现被动体通信
Abstract
Wireless fully implanted devices are widely
adopted for long-term neural-recording applications, where
the cable-induced infection risk can be avoided. Battery-free
communication based on wireless power transfer (WPT) can
eliminate the battery to reduce the size of a wireless implant,
realizing minimally invasive surgery. However, conventional
battery-free implants suffer from a short communication range,
such as inductive coupling, near-infrared (NIR) transmission,
and active body-channel commu