半導体型pHセンサによる低水分量土壌リアルタイムpH計測に関する研究

カテゴリ: 論文誌(論文単位)

グループ名: 【E】センサ・マイクロマシン部門

発行日: 2018/09/01

タイトル(英語): Study of a Semiconductor Type pH Sensor to Measure Low Water Content Soils in Real-time

著者名: 二川　雅登（静岡大学），上村　渓介（静岡大学），許山　久美子（静岡大学），平野　陽豊（静岡大学），渡辺　実（ラピスセミコンダクタ（株）），小松　満（岡山大学）

著者名(英語): Masato Futagawa (Shizuoka University), Keisuke Uemura (Shizuoka University), Kumiko Nomiyama (Shizuoka University), Harutoyo Hirano (Shizuoka University), Minoru Watanabe (LAPIS Semiconductor Co., Ltd.), Mitsuru Komatsu (Okayama University)

キーワード: pHセンサ，低水分量，直接計測，水分電位，土壌　　pH sensor，low water content，directly measurement，electrical potential of water，soil

要約(英語): Real time measurement of soil pH is demanded in precision agriculture. Therefore, pH measurement capability in low water content soil was needed to confirm. In this paper, we fabricated an ISFET type pH sensor which can be inserted into soil. The sensor performed to measure two type of experiments. First, we experimented with changes in sensor output due to soil water content. The sensor output voltages were changed by changes in the soil pH value. In contrast, the voltages didn't be changed by changes in the soil water content. Secondly, we experimented whether the output of the sensor shows the same change when the soil pH changes during the measurement. The sensor could detect the pH value of soil which was changed dramatically by passing water. We confirmed that the ISFET type pH sensor can directly measure soil pH in real time.

本誌: 電気学会論文誌E（センサ・マイクロマシン部門誌） Vol.138 No.9 （2018）

本誌掲載ページ: 417-422 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejsmas/138/9/138_417/_article/-char/ja/