Cathode 1, cathode with wetted tip

# 1. Part overview:

This document summarizes essential details for materials, setup, and operation. This is for transcription, archival, and research purposes only. It is based on an old patent and is not intended as a finished product.
Operating conditions described require specialized handling and safety precautions, and the descriptions outlined here do not constitute a recommendation or endorsement to build or operate the device. Attempts to replicate or build upon these models are entirely at your own risk.

**Source patent:**
- **Shoulders, Kenneth R.** _U.S. Patent No. 5,123,039_. Issued June 16, 1992.
- Image: Fig. 4, page 4
- Text: Page 45 Column 9, "3. Cathodes" section

## 1.1. Purpose

**Basic Function:**
Part 1 is a point-source cathode with a self-regenerating, wetted tip, designed to emit EVs while compensating for erosion at the emission point by migrating a conductive coating toward the tip. This is opposed to regular cathode tips which will erode during use. Desp