Towards Greener Disposal of Waste Cathode Ray Tubes Via Ultrasonically Enhanced Lead Leaching
White Papers This paper describes the use of power ultrasound to facilitate the removal of lead from the heavily-leaded CRT glass via an accelerated leaching protocol, with the aim of producing a lead-free product for greener disposal or more ideally for glass...
[November 19, 2008, 23:00]
Scientists use virus to help build battery
News Scientists at the Massachusetts Institute of Technology have demonstrated how a genetically modified virus can be used to construct both the cathode and anode of a lithium-ion battery. Combining the nanotubes with the iron phosphate created a...
[April 3, 2009, 17:11]
Macworld: CRT is dead, says Jobs
News Apple is keeping two existing iMac models with cathode-ray tubes for the retail and education markets. This is the official death of the CRT today," Jobs said of cathode-ray tubes during his two-hour speech.
[January 8, 2002, 11:01]
NEC develops ultra-thin battery for mobile
News The new battery has been dubbed ORB, for Organic Redical Battery, by NEC, because it uses an organic radical polymer as its cathode. The battery has a very thin structure (300µm) and a pliant and bendable structure because flexible plastic is used...
[December 9, 2005, 15:50]
X-ray named top scientific invention
Blog The X-ray was discovered in November 1895 by German physicist Wilhelm Röntgen when he was studying cathode rays emerging from a William Crookes cathode ray tube. The X-ray machine has been voted the most important scientific invention in a poll by...
[November 4, 2009, 16:23]
Sony singed by Dell battery recall
News Roger Kay, an analyst with Endpoint Technologies Associates, says the problem is caused by impurities within the anode and cathode of the battery cell. Over time those impurities — usually tiny pieces of metal — can work their way to the edge of...
[August 16, 2006, 13:35]
Electronics and Circuit Analysis Quick Study Guide. FREE first chapter in the trial
Downloads Electronic ComponentsPassive components: Fuse | Capacitors | Inductors | Magnetic amplifier | Crystal Oscillator | Polyswitch | Resistors | Varistor | Transformer | SwitchActive solid-state components: Semiconductor devices | Semiconductor...
[July 24, 2007, 8:00]
Electronics and Circuit Analysis Quick Study Guide. FREE first chapter in the trial
Downloads Electronic ComponentsPassive components: Fuse | Capacitors | Inductors | Magnetic amplifier | Crystal Oscillator | Polyswitch | Resistors | Varistor | Transformer | SwitchActive solid-state components: Semiconductor devices | Semiconductor...
[July 24, 2007, 8:00]
Get ready for the 9-to-5 notebook
News The next question is whether you can take a cathode with that mix of metals into mass production. By changing the metals in the cathode you can change the capacity curve of the battery," Trainor said.
[June 7, 2005, 11:25]
Start-up looks to extend battery life
News Other innovations in the batteries are a new separator stack that resists dendrite growth and silver cathode degradation, and a nano particle coating on the silver cathode that is designed to enhance conductivity, ZPower said.
[October 9, 2008, 13:08]
Dell to recall 4.1m laptop batteries
News The problems Dell is having stem from impurities within the anode and cathode of the battery, said Kay, who was briefed on the problems by Dell executives. Over time, those impurities, usually tiny pieces of metal, can work their way to the edge of...
[August 15, 2006, 8:35]
Flat-panel monitors edge ahead
News Flat-panel monitors for desktop computers are expected to surpass traditional cathode ray tube (CRT) monitors in revenue this year, a sea change for the display industry. Declining prices, combined with aggressive bundling deals from PC makers such...
[March 13, 2003, 9:19]
Apple waves goodbye to the CRT
News Apple launched a replacement for the eMac specifically aimed at the educational market on Wednesday, and also announced that it had ceased production of bulky cathode ray tube (CRT) displays and switched over to flat screens.
[July 6, 2006, 11:05]
Flat screens exploit electron emission technology
News Like a cathode-ray tube (CRT) TV or monitor, SED creates an image by colliding electrons with a fluorescent-coated glass plate. Canon and Toshiba have formed a joint venture to develop, produce and sell surface-conduction electron-emitter display...
[September 14, 2004, 16:20]
Sony slashes jobs worldwide
News Two Japan factories producing cathode ray tubes (CRT) used in TV and computer displays will next year switch to assembling TVs. Sony will cut up to 20,000 jobs worldwide as part of company-wide reform policy, according to news site Mainichi Daily...
[October 20, 2003, 9:35]
Apple to ditch CRTs for flat panel monitors
News The Apple 17-inch cathode ray tube (CRT) monitor -- the last model available of this type -- is being retired as the company makes a transition to all liquid-crystal display (LCD), or flat-panel, monitors.
[May 4, 2001, 7:48]
Twist of phosphate means better batteries
News In a nutshell, the company is replacing cobalt with phosphate as the cathode material in its lithium-ion batteries, allowing them to be more stable and less expensive, according to Valence chief executive and president Stephan Godevais.
[February 12, 2002, 10:31]
Apple apologises for environmental modesty
Blog Comment There’s one toxic substance that some companies still ship by the pound, and that’s the lead contained in their cathode-ray tube (CRT) displays. Andrew, You have a pretty sarcastic take on it - which fits in with the Greenpeace line.
[May 3, 2007, 14:48]
LCD screen shortage pushes up prices
News LCD technology allows for much thinner displays than traditional cathode ray tube (CRT) display technology. Surging demand for notebook computers, televisions and desktop PC monitors have spurred a shortage for the most popular sizes of liquid...
[October 17, 2003, 12:00]
Flat-panel supply set to surge
News LCD panels allow for thinner, lighter display units compared with traditional cathode-ray tube devices. A long-standing supply crunch for liquid-crystal display panels is starting to lift, providing hope that prices for flat-panel monitors will...
[March 8, 2004, 7:30]



