Capacitor and method for manufacturing same
US-2024347278-A1 · Oct 17, 2024 · US
Method for laser adjustable thin film capacitors
US9437366B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9437366-B2 |
| Application number | US-201414230312-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 31, 2014 |
| Priority date | May 1, 2007 |
| Publication date | Sep 6, 2016 |
| Grant date | Sep 6, 2016 |
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Abstract
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Disclosed are methodology for providing a precision laser adjustable (e.g., trimmable) thin film capacitor array. A plurality of individual capacitors are formed on a common substrate and connected together in parallel by way of fusible links. The individual capacitors are provided as laddered capacitance value capacitors such that a plurality of lower valued capacitors corresponding to the lower steps of the ladder, and lesser numbers of capacitors, including a single capacitor, for successive steps of the ladder, are provided. Precision capacitance values can be achieved by either of fusing or ablating selected of the fusible links so as to remove the selected subcomponents from the parallel connection. In-situ live-trimming of selected fusible links may be performed after placement of the capacitor array on a hosting printed circuit board.
First claim
Opening claim text (preview).
What is claimed is: 1. A method of making a capacitor array configured for post production in-situ laser trimmable use, for adjustment of the resulting capacitance value thereof while such capacitor array is in operation in a circuit, such method comprising: providing a substrate; forming a first metallization layer on the substrate and having a first portion thereof providing a respective connection portion for a first terminal and providing a plurality of common electrode area…
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- What does patent US9437366B2 cover?
- Disclosed are methodology for providing a precision laser adjustable (e.g., trimmable) thin film capacitor array. A plurality of individual capacitors are formed on a common substrate and connected together in parallel by way of fusible links. The individual capacitors are provided as laddered capacitance value capacitors such that a plurality of lower valued capacitors corresponding to the low…
- Who is the assignee on this patent?
- Avx Corp
- What technology area does this patent fall under?
- Primary CPC classification H01G4/33. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Sep 06 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).