公开(公告)号：US20230393095A1

公开(公告)日：2023-12-07

申请号：US18317180

申请日：2023-05-15

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Chuang HUANG ,  Qingling WANG

IPC: G01N27/66 ,  G01N30/64

CPC classification number: G01N27/66 ,  G01N30/64 ,  G01N2030/642

Abstract: Embodiments are provided for ultraviolet lamps for use in photoionization detectors and methods of manufacturing same. An example method of manufacturing an ultraviolet lamp includes providing a glass tube, the glass tube defining a first end; applying a mixed powder coating composition onto an edge surface of the first end of the glass tube, the mixed powder coating composition comprising indium powder and glass powder; applying a glass powder coating composition over the mixed powder coating composition; attaching a crystal window to the edge surface of the first end of the glass tube; and heating the glass tube and the crystal window to seal the crystal window to the glass tube.