Protective device with laser-trimmed melt element

DE602022030023T2Active Publication Date: 2026-02-11LITTELFUSE INC
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
DE602022030023
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-03-25
Filing Date
2022-03-24
Publication Date
2026-02-11
Estimated Expiration
2042-03-24

AI Technical Summary

Technical Problem

Existing fuses exhibit imprecise resistance tolerance, which can lead to inefficiencies in circuit protection.

Method used

The use of laser-trimmed fusible elements on a rigid glazed ceramic substrate, allowing for precise resistance adjustment within +/- 5% tolerance, achieved through laser ablation to form recesses in the fusible elements.

Benefits of technology

The solution provides precise resistance control, enhancing the circuit protection device's performance by ensuring accurate resistance values and improved circuit isolation.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader
Need to check novelty before this filing date? Find Prior Art
No text content released.