direct insertion probe

acronym: DIP
https://doi.org/10.1351/goldbook.12393
Device for introducing a single sample of a solid or liquid, usually contained in a quartz or other nonreactive sample holder, into a mass spectrometer ion source.
Source:
PAC, 2013, 85, 1515. (Definitions of terms relating to mass spectrometry (IUPAC Recommendations 2013)) on page 1537 [Terms] [Paper]