PROBLEM TO BE SOLVED: To provide a magnetic measurement device, a gas cell, a method for manufacturing the magnetic measurement device, and a method for manufacturing the gas cell, with which it is possible to suppress a decrease in manufacturing yield and an increase in manufacturing man-hours and improve productivity.SOLUTION: A magnetic measurement device 100 for measuring a magnetic field includes: a cell part 12 having a main chamber 14, a reservoir 16 communicating with the main chamber 14 and having a longitudinal direction, and an opening 18 provided at an opposite side to the main chamber 14 in a longitudinal direction of the reservoir 16 and a gas cell 10 provided with a sealing part 19 for sealing the opening 18 and an alkaline metal gas 13 filled in the main chamber 14 and the reservoir 16. A holding part 17 is provided inside the reservoir 16 in the longitudinal direction.SELECTED DRAWING: Figure 2ACOPYRIGHT: (C)2017,JPO&INPIT【課題】製造歩留まりの低下や製造工数の増大を抑え生産性を向上させることが可能な磁気計測装置、ガスセル、磁気計測装置の製造方法、およびガスセルの製造方法を提供する。【解決手段】磁場を計測する磁気計測装置100は、主室14と、主室14と連通し長手方向を有するリザーバー16と、リザーバー16の長手方向における主室14とは反対側に設けられた開口部18と、を有するセル部12と、開口部18を封止する封止部19と、主室14とリザーバー16とに充填されたアルカリ金属ガス13と、を備えたガスセル10を含み、リザーバー16内に、長手方向に沿って保持部17が設けられていることを特徴とする。【選択図】図2A
