what materials are used to make mobile phones?
152103
Smartphones are made up of around 30 elements, including copper, gold and silver for wiring and lithium and cobalt in the battery. The bright colours of the display are produced by small amounts of rare earth elements, including yttrium, terbium and dysprosium.
1246900
Mobile phones contain a rechargeable lithium-ion (or li-ion) battery. Li-ion batteries charge faster than traditional rechargeable batteries. ... Part of that dilemma is because the batteries on our phones are relatively small and can hold only so much capacity.
1192061
['Interruptions. Mobile phones are a constant, always available, and real-time communication avenue. ... ', 'Interruptions. ... ', 'Distraction. ... ', 'Isolation. ... ', 'Health problems. ... ', 'Loss of money. ... ', 'Connect to the world. ... ', 'Entertainment.']
686483
Mobile phones are used for a variety of purposes, such as keeping in touch with family members, for conducting business, and in order to have access to a telephone in the event of an emergency. Some people carry more than one mobile phone for different purposes, such as for business and personal use.
249659
['Ferrous Metals. Pure Iron is of little use as an engineering material because it is too soft and ductile. ... ', 'Copper. ... ', 'Brass. ... ', 'Tin. ... ', 'Lead. ... ', 'Bronze. ... ', 'Zinc.']
542325
['Steel. Steel is one of the materials used most often by robot builders. ... ', 'Rubber. ... ', 'Aluminum. ... ', 'Kevlar. ... ', "Biodegradable 'smart' materials."]
72947
Most commonly, sulfur, selenium, tin, silicon, and carbon are used. As is true for most materials used in semiconductor device fabrication, dopant materials typically must be of extremely high purity.
475000
Regular cell phones offer texting and calling functionality, whereas smartphones offer a list of features including email, Internet access, video chatting, gaming, app downloading, video taking and music storage.
285914
['Large iron nail (approximately 3 inches in length)', 'Thin coated copper wire.', 'Dry cell batteries.', 'Electric tape.', 'Iron fillings, paper clips and other magnetic items.']
402291
['They are not just phones. Mobile phones are NOT just phones. ... ', "Cheap technology for the masses. Most schools can't afford all of the technology that they need. ... ", '3. “ ... ', 'Preparing young people for the modern world. ... ', 'Connecting with young people through what they consider important.']
58452
["Telephone/Mobile Phone. Since the telephone's invention by Alexander Graham Bell in March of 1876, the telephone has come a long way. ... ", 'Radio. ... ', 'Television. ... ', 'Internet.']
1061513
Rare earth metals are found in varying quantities in smartphones. Neodymium, dysprosium, praseodymium, terbium, gadolinium and lanthanum are found inside displays and other electronic components of smartphones.
576241
The materials used in making a television include metals, plastics, glass, fluorescent chemical coatings, solder, and silicon. They are used to make various parts.
772427
['Aluminum.', 'Copper.', 'Iron.', 'Lead.', 'Stainless steel.', 'Teflon (polytetrafluoroethylene)']
865421
['Hard disk drives. ... ', 'Audio equipment such as microphones, acoustic pick-ups, headphones and loudspeakers. ... ', 'Dentures. ... ', 'Magnetically coupled pumps. ... ', 'Door catches. ... ', 'Motors and generators. ... ', 'Jewellery. ... ', 'Bearings.']
635390
['Objects. This is used especially in instances where you are talking about a mobile object. ... ', 'Models. These are representations of the objects the speaker is addressing. ... ', 'Graphs. ... ', 'Maps. ... ', 'Photographs.']
271600
A few years ago, every phone that came off the production line of its own product line began with a removable battery. However, that has gradually changed over time, and now almost every smartphone manufacturer makes smartphones with in-built non-removable batteries.