# glass master
**Wikidata**: [Q1529684](https://www.wikidata.org/wiki/Q1529684)  
**Source**: https://4ort.xyz/entity/glass-master

## Summary
A **glass master** is a specialized optical disc used in compact disc manufacturing, functioning as a stamper to create molds for mass-producing discs. It is a subclass of optical discs and plays a critical role in the production of physical data storage media.

## Key Facts
- **Subclass of**: Optical disc
- **Part of**: Compact disc manufacturing
- **Aliases**: Stamper
- **WIPO PEARL term ID**: 202
- **Wikipedia availability**: German (de), Dutch (nl)
- **Google Knowledge Graph IDs**: /g/12175wx9, /g/1232c61h
- **Sitelink count**: 2

## FAQs
### Q: What is the primary function of a glass master?
A: A glass master serves as a stamper in compact disc manufacturing, creating molds for mass-producing optical discs.

### Q: Is a glass master a type of optical disc?
A: Yes, a glass master is a subclass of optical discs, specifically designed for manufacturing purposes.

### Q: In which languages is the term "glass master" documented on Wikipedia?
A: The term is documented in German (de) and Dutch (nl) Wikipedia editions.

### Q: What is the WIPO PEARL term ID for a glass master?
A: The WIPO PEARL term ID for a glass master is 202.

### Q: How does a glass master contribute to compact disc manufacturing?
A: A glass master functions as a stamper to create molds, enabling the mass production of compact discs.

## Why It Matters
The glass master is a foundational component in the production of optical discs, particularly compact discs. It plays a crucial role in the manufacturing process by serving as a stamper to create molds, which are then used to press thousands of discs. This technology is essential for the physical distribution and long-term archival of binary data, making it a key element in the storage and retrieval of information. Without glass masters, the mass production of optical discs would not be feasible, impacting industries that rely on physical data storage.

## Notable For
- **Manufacturing role**: Acts as a stamper in compact disc production.
- **Subclass distinction**: Specifically designed for optical disc manufacturing.
- **WIPO recognition**: Assigned a unique term ID (202) by the World Intellectual Property Organization.
- **Multilingual documentation**: Available in German and Dutch Wikipedia editions.
- **Google Knowledge Graph inclusion**: Recognized with multiple identifiers in Google's knowledge base.

## Body
### Classification
A glass master is classified as a **subclass of optical disc**, specifically tailored for use in compact disc manufacturing. It is not a standalone product but a critical tool in the production chain.

### Manufacturing Process
The glass master functions as a **stamper**, creating molds that are used to press thousands of compact discs. This process is essential for mass production and distribution.

### Intellectual Property
The term is recognized by the **World Intellectual Property Organization (WIPO)** with the PEARL term ID **202**, indicating its significance in patent and trademark systems.

### Digital Presence
The glass master is documented in **German (de)** and **Dutch (nl)** Wikipedia editions, reflecting its relevance in those linguistic markets.

### Knowledge Graph Integration
Google's Knowledge Graph includes the glass master under multiple identifiers (**/g/12175wx9**, **/g/1232c61h**), indicating its recognition as a distinct entity in structured data systems.

### Sitelinks
The term has a **sitelink count of 2**, suggesting limited but established web presence in specialized contexts.