# Germanium and Telecommunications

Telecommunications depends on germanium.

Source page: https://www.materialinsights.org/links/germanium-and-telecommunications/

[Germanium](https://www.materialinsights.org/commodities/germanium/) (commodity) and [Telecommunications](https://www.materialinsights.org/industries/telecom/) (industry): 1 relationship.

## How they are linked

### 1. Industry input

*Physical flow · Criticality 4 of 5 · Germanium → Telecommunications*

2 of the enterprise types in Telecommunications depend on germanium; for the most dependent, it rates 4 out of 5 on criticality.

- **2** enterprise types depend on it
- **4 of 5** highest criticality

Enterprise types that depend on it:

- Subsea cable builders and consortia: fibre core (criticality 4 of 5)
- Optical fibre and cable makers: germanium tetrachloride dopes the fibre core (criticality 3 of 5)

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.