3D Ferrite Core Memory Stack
A three-dimensional stack of ferrite core planes mounted on fired ceramic frames, used for high-capacity technical memory in minicomputers. Classified under HTS 6909.19.10.00 due to its ceramic construction for laboratory and other technical applications in data processing. The firing process ensures durability for non-magnetic interference environments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used as inductors in power supplies
Ferrite cores repurposed for electrical inductors classify under heading 8504 in Chapter 85 electrical equipment.
If other ceramic technical wares without ferrite memory function
Non-memory ceramic lab articles like crucibles fall under the broader 'other' subheading.
If when containing electrical connectors
Addition of electrical connections may classify as electrical machines/apparatus under Chapter 85.
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Import Tips & Compliance
• Document firing temperature and ceramic material specs per Chapter 69 notes to confirm eligibility
• Include end-use statements specifying technical/lab applications to prevent reclassification as consumer electronics
Related Products under HTS 6909.19.10.00
Twisted Ferrite Core Rope Memory
Twisted wire rope memory using ferrite cores threaded through fired ceramic bobbins for aerospace technical applications. HTS 6909.19.10.00 applies as ceramic wares specifically for ferrite core memories in chemical or technical uses. This radiation-hardened design was common in space missions.
Ferrite Core Memory Module
A ferrite core memory module consists of a grid of tiny ferrite toroids arranged on ceramic substrates, fired after shaping to create nonmetallic magnetic storage elements. It falls under HTS 6909.19.10.00 as a ceramic ware for technical uses, specifically designed for computer data storage in legacy systems. These modules were pivotal in early computing for their reliable, non-volatile memory properties.
Core Rope Memory Cassette
A modular cassette housing multiple ferrite core planes on ceramic substrates, fired for technical memory storage in industrial control systems. Falls under HTS 6909.19.10.00 as specialized ceramic ferrite core memories for chemical/process technical uses. Provides removable high-reliability data storage.
Military Grade Ferrite Memory Plane
Single-plane ferrite core memory on ruggedized fired ceramic base for defense laboratory simulations and technical data logging. HTS 6909.19.10.00 covers these as ceramic wares for chemical/other technical uses including military R&D. Designed for extreme temperature and vibration resistance.
Industrial Ferrite Core Memory Bank
Multi-plane ferrite core memory bank mounted on fired ceramic frames for chemical process control technical applications. Classified in HTS 6909.19.10.00 for its ceramic technical ware construction serving laboratory-equivalent industrial uses. Enables real-time data storage in harsh environments.