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  2. Mobile phone recycling - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_recycling

    Mobile phone recycling describes the waste management of mobile phones, to retrieve materials used in their manufacture. Rapid technology change, low initial cost, and planned obsolescence have resulted in a fast-growing surplus, which contributes to the increasing amount of electronic waste around the globe.

  3. Electronic waste recycling - Wikipedia

    en.wikipedia.org/wiki/Electronic_waste_recycling

    Computer monitors are typically packed into low stacks on wooden pallets for recycling and then shrink-wrapped. [1]Electronic waste recycling, electronics recycling, or e-waste recycling is the disassembly and separation of components and raw materials of waste electronics; when referring to specific types of e-waste, the terms like computer recycling or mobile phone recycling may be used.

  4. Coltan - Wikipedia

    en.wikipedia.org/wiki/Coltan

    They are also used in semiconductor circuits, and capacitors for small electronic devices such as hearing aids, pacemakers, and MP3 players, as well as in computer hard drives, automobile electronics, and surface acoustic wave SAW filters for mobile phones. [34] Coltan is also used to make high-temperature alloys for jet engines, air-based ...

  5. Polycarbonate - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate

    Nokia used polycarbonate in their phones starting with the N9's unibody case in 2011. This practice continued with various phones in the Lumia series. Samsung started using polycarbonate with Galaxy S III's hyperglaze-branded removable battery cover in 2012. This practice continues with various phones in the Galaxy series.

  6. Mobile phone - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone

    Two decades of evolution of mobile phones, from a 1992 Motorola DynaTAC 8000X to the 2014 iPhone 6 Plus. A mobile phone, or cell phone, [a] is a portable telephone that allows users to make and receive calls over a radio frequency link while moving within a designated telephone service area, unlike fixed-location phones (landline phones).

  7. AMOLED - Wikipedia

    en.wikipedia.org/wiki/AMOLED

    One of the earliest consumer electronics products with an AMOLED display was the BenQ-Siemens S88 mobile handset [8] and, in 2007, the iriver Clix 2 portable media player. [9] In 2008 it appeared on the Nokia N85 followed by the Samsung i7110 - both Nokia and Samsung Electronics were early adopters of this technology on their smartphones.

  8. Modular smartphone - Wikipedia

    en.wikipedia.org/wiki/Modular_smartphone

    The Modu Phone is the first modular smartphone and has a record as the world’s lightest hand-held mobile phone in the Guinness World Records. [15] The Modu Phone is a ‘Jacket’ type modular smartphone that allows customers to chop and customize the style of their mobile phone by slipping it into various Modu jackets, also known as phone ...

  9. Electromagnetic shielding - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_shielding

    Electromagnetic shielding cages inside a disassembled mobile phone.. In electrical engineering, electromagnetic shielding is the practice of reducing or redirecting the electromagnetic field (EMF) in a space with barriers made of conductive or magnetic materials.