Reference
Merritt, R. (2010, July). Apple says iPhone4 antenna is state of the art
http://www.eetimes.com/electronics-news/4204654/Apple-on-iPhone-4-antenna-
Summary
In this article, it says that the antenna of iPhone4 is different from other smart phones' antennas; the iPhone4 has a perfect antenna. The antenna brings a good signal to the iPhone4; the signal is better than those of other smart phones and previous models. Apple has not received many complains about the antenna signal.
Reaction
An antenna is important to a cell phone. The antenna affects the quality of communication. The antenna is made smaller and smaller, but when a company makes a small antenna and still considers its quality, that will be a challenge. In order to get a strong signal, the antenna is always long and big, but today the technology emphasizes ingenious designs; that is a trend. The electric products have become smaller and smaller. If a product is small and includes several functions like a computer, the product will be popular, such as iPhone4; the iPhone4 is not only a cell phone, but also a portable computer. In my opinion, this article is about the antenna, but I think the real meaning is to imply the trend of technology.
2010年11月18日 星期四
RRJ#1
Reference
LePedus, M (2006, March). Solar-cell fab capacity rising
http://www.eetimes.com/electronics-news/4058981/Solar-cell-fab-capacity-rising
Summary
This article describes the development of solar cell. Many companies are studying and competing for how to increase the efficiency in solar cells. In order to save the cost, the solar cells are becoming smaller and smaller. This can not bring huge profits but also alleviate the risk of decreasing resources.
Reaction
I have taken the class which is about solar cells in university; the class talks about the theory and process of solar cells. A solar cell uses a silicon plate to be its base, then is coated with several metals and semiconductors, and that makes it absorb the sunlight; it will produce electric current, the translation rate is about 15%; to increase the efficiency is the most important goal.
The risk of resources has been becoming an important issue. In order to save resources, the research of alternative energy has become popular; one kind of alternative energy is the solar cell. The principle is to combine different dielectric materials which make the solar cell absorb lights and produce electricity. Although the research is proceeding, I think it will be a trend to become a new energy.
LePedus, M (2006, March). Solar-cell fab capacity rising
http://www.eetimes.com/electronics-news/4058981/Solar-cell-fab-capacity-rising
Summary
This article describes the development of solar cell. Many companies are studying and competing for how to increase the efficiency in solar cells. In order to save the cost, the solar cells are becoming smaller and smaller. This can not bring huge profits but also alleviate the risk of decreasing resources.
Reaction
I have taken the class which is about solar cells in university; the class talks about the theory and process of solar cells. A solar cell uses a silicon plate to be its base, then is coated with several metals and semiconductors, and that makes it absorb the sunlight; it will produce electric current, the translation rate is about 15%; to increase the efficiency is the most important goal.
The risk of resources has been becoming an important issue. In order to save resources, the research of alternative energy has become popular; one kind of alternative energy is the solar cell. The principle is to combine different dielectric materials which make the solar cell absorb lights and produce electricity. Although the research is proceeding, I think it will be a trend to become a new energy.
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