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what is tantalum in cell phones

How is tantalum used in phones? - SAM Sputter Targets

What is Coltan? 5 Facts You Should Know | Mining, Uses and

Tantalum: Conflict Element

Aug 03, 2010· Tantalum is dense, heat-resistant, and noncorrosive, and it holds a charge wellqualities that make it vital for cell phones. (Its cousin on the periodic table, niobium, also works, though not...

What Are the Dangers of Tantalum? | Our Everyday Life

Tantalum (Ta) is a black-gray metal, number 73 in the Periodic Table of Elements. According to the United States Geological Survey, tantalum's major use is in the production of electronic components. More than 60 percent of this mined element is used to make capacitors for cellphones, pagers, personal computers, video cameras and automotive electronics.

Conflict minerals from the Congo to your cellphone | PBS

Oct 05, 2013· It's minerals that we use in our electronics products so it's tin, tungsten, tantalum, things that make our batteries function more efficiently, things that make our cell phones buzz silently,...

Niobium-tantalum - Smart metals for phones and bones

Niobium and tantalum are two of the most widely used metals on this critical list. Because of their unique properties and their essential role in the manufacture of steel and electronic capacitors, they are hard to

Conflict minerals: Why the design choices of Samsung and

Jul 15, 2018· The minerals have many uses in electronics and are found throughout our smartphones: Tantalum is used primarily for the production of tantalum capacitors, which have a comparatively high...

How A US Firm Hopes To Keep Tantalum In Africa A Little

Jan 07, 2017· Tantalums chemical inertness makes it a valuable substitute for platinum. Its main use today is in capacitors in electronic equipment such as mobile phones, computers, DVD

Capacitors Play an Essential Role in Apples iPhone 6

Tantalum capacitors are employed in sample and hold circuits and power supply filtering on computer motherboards and cell phones. The Rohm tantalum capacitor is used on the iPhone 6s main PCB. Capacitors Across the Board Capacitors in the iPhone 6 are found throughout the various subsystems of

Tantalum - Wikipedia

Tantalum is a chemical element with the symbol Ta and atomic number 73. Previously known as tantalium, it is named after Tantalus, a villain from Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. It is part of the refractory metals group, which are widely used as minor components in alloys. The chemical inertness of tantalum makes it a

5 Top Tantalum-mining Countries | INN

Tantalum is an important component in many modern technologies, and is used in capacitors for everything from computers to mobile phones. Despite its importance in the world today, tantalum mining...

From Mine to Mobile Phone: The Conflict Minerals Supply

Nov 10, 2009· The 3Ts are produced from mineral ores: tin from cassiterite, tungsten from wolframite, and tantalum from columbite-tantalite, known throughout Congo as coltan. To the untrained eye, these minerals look like ordinary rocks, and are often found together in the same ore.

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