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    Power line EMI filter on a copper ground-plane fixture connected to a vector network analyzer with a toroidal balun

    How to Measure Filter Performance: Insertion Loss, VNA Fixtures and CM/DM Separation

    Assorted EMI and RF filter components: common mode choke, ferrite beads, feedthrough filter, X2 capacitor, cavity filter, ceramic coaxial resonators, thin-film filter and SAW/BAW packages

    Passive Filter Technologies Compared: LC, Ferrite, Feedthrough, Ceramic, Cavity, Microstrip, SAW and BAW

    Illustration of a thin-film capacitor stack with TiN electrodes and an ultrathin hafnium zirconium oxide ferroelectric layer on silicon

    Sub-Volt Ferroelectric HZO Capacitor Pairs Speed and Endurance

    Cut-open lithium-ion capacitor pouch cell showing stacked carbon electrodes and separators, with vials of carbon powder

    Lithium-Ion Capacitor Review Backs Hard Carbon//AC Pairing

    Rack power shelf in an AI data center with film DC-link capacitors, a supercapacitor bank and a converter board

    800 VDC AI Data Centers Reshape Capacitor Demand for 2027

    Schematic of a titanium nitride thin-film inductor within a CMOS poly-resistor stack beside its integrated resonator circuit.

    TiN Superinductors Bring Compact Cryogenic Inductance to CMOS

    Close-up of reddish-brown metallic rocks illustrating TTI MarketEYE’s connector raw material cost analysis

    Connector Raw Material Costs Rise 20.9% in Q2 2026

    AI and Passive Components: Structural Growth Beyond Data Centers

    YAGEO PMT6397 push-pull transformer with a segmented toroidal winding and surface-mount terminals

    YAGEO Releases Push-Pull Transformers for Isolated 3 W Supplies

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    Power line EMI filter on a copper ground-plane fixture connected to a vector network analyzer with a toroidal balun

    How to Measure Filter Performance: Insertion Loss, VNA Fixtures and CM/DM Separation

    Assorted EMI and RF filter components: common mode choke, ferrite beads, feedthrough filter, X2 capacitor, cavity filter, ceramic coaxial resonators, thin-film filter and SAW/BAW packages

    Passive Filter Technologies Compared: LC, Ferrite, Feedthrough, Ceramic, Cavity, Microstrip, SAW and BAW

    Illustration of a thin-film capacitor stack with TiN electrodes and an ultrathin hafnium zirconium oxide ferroelectric layer on silicon

    Sub-Volt Ferroelectric HZO Capacitor Pairs Speed and Endurance

    Cut-open lithium-ion capacitor pouch cell showing stacked carbon electrodes and separators, with vials of carbon powder

    Lithium-Ion Capacitor Review Backs Hard Carbon//AC Pairing

    Rack power shelf in an AI data center with film DC-link capacitors, a supercapacitor bank and a converter board

    800 VDC AI Data Centers Reshape Capacitor Demand for 2027

    Schematic of a titanium nitride thin-film inductor within a CMOS poly-resistor stack beside its integrated resonator circuit.

    TiN Superinductors Bring Compact Cryogenic Inductance to CMOS

    Close-up of reddish-brown metallic rocks illustrating TTI MarketEYE’s connector raw material cost analysis

    Connector Raw Material Costs Rise 20.9% in Q2 2026

    AI and Passive Components: Structural Growth Beyond Data Centers

    YAGEO PMT6397 push-pull transformer with a segmented toroidal winding and surface-mount terminals

    YAGEO Releases Push-Pull Transformers for Isolated 3 W Supplies

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Apple dominates all electronics, jewelry companies in ethical sourcing of conflict minerals

17.11.2017
Reading Time: 2 mins read
A A

source: appleinsider news

By Mike Wuerthele Thursday, November 16, 2017, A report from a conflict mineral advocacy group puts Apple well ahead of other companies including Google, Microsoft, and Intel in efforts to develop supply chains of metals outside of conflict zones like the Congo.

RelatedPosts

How to Measure Filter Performance: Insertion Loss, VNA Fixtures and CM/DM Separation

Passive Filter Technologies Compared: LC, Ferrite, Feedthrough, Ceramic, Cavity, Microstrip, SAW and BAW

Sub-Volt Ferroelectric HZO Capacitor Pairs Speed and Endurance

A study published on Thursday by the Enough Project examined 20 of the world’s largest companies in terms of market capitalization. Mineral supply chains examined include tin, tungsten, tantalum, and gold.

Apple emerged as the “clear leader” scoring 114 out of a possible 120 points. Following the top five, including HP, Microsoft, Intel, and Google, the remaining electronic companies take a precipitous drop in rankings, with Panasonic scoring 42.5 —and the anchor of the charts being Toshiba at 9.

Tin is a common semiconductor and structural mineral. Tantalum is used in capacitors and resistors, and used in other alloys to grant strength and corrosion resistance.

Gold is an excellent conductor, and is effectively corrosion-free. Tungsten has a wide array of uses in fabrication materials, can be used for wear-resistant coatings and in emitters.

Also examined with the same scale were jewelry companies like Signet and Tiffany, with Signet holding a lead at 66.5 points. Tiffany scored 60 points. The remaining jewelry companies scored between 0 and 20 on the scale.

The Enough Project defines “conflict-free minerals” as minerals that do not directly or indirectly finance or benefit armed groups, including state military units from Congo as well as other predatory regional governments. Because these rankings are focused on activities related to Congo, companies were awarded credit for criteria pertaining to sourcing conflict-free minerals if they were able to demonstrate that the minerals in their products were not financing armed violence in Congo or the African Great Lakes region.

The group recommends that consumers contact companies that use the materials to either laud their efforts —or exclaim dismay at the poor showing.

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