The process of mobile phone design and manufacture

The process of mobile phone design and??
manufactureIn additional, sometimes, there is an argument
between the HW and ID, for example, ID like the
 Time: 2009-5-17   Transshipment Forbiddenmetal Ornamental on the housing.  But the metal
Do you want to know the process of mobile phoneparts will affect the antenna design and lead to the
design and manufacture?static problem to endanger the security of the
 main-board. The metal parts lead to the more difficult
Today, I try to introduce the mobile phone designto avoid the signal shield and the static problem. So it
process and department relation in the design house.needs to develop the new material to meet the ID
And then talk about the test before the mobilerequirements. The Nokia 8800 is a good example, a
phone on the market.sense of the metals, without affecting the
 antenna’s reception.
First, mobile phone design process 
Generally speaking, the design house has six4. SW (Software) Software Design
departments, the six departments as follow:Relatively speaking, SW is more easily understand by
ID?MD?HW?SW?PM?Sourcing?QA?everyone, due to the popularity of the computer, so
 that we can maximize the various kinds of software.
1, ID (Industry Design) Industrial DesignFor example cell phone user interface model---the
Including the appearance of mobile phones, materialmobile phone nine operating menu. This scope belong
quality, hand-feeling, color match, the realization ofthe SW design.
the main interface and the design of color and so on. 
 SW work is to design the interface, and test the
For example, Motorola "Ming" translucent clamshell,operability of the interface. SW test is very complex,
the Nokia 7610's circular-shaped appearance, Sonyand there are numerous items. SW test is not just in
Ericsson W550’s orange color, Nokia 5800’sthe search for Bug, consistency tests and
touch function and the Motorola R1 revolving-slidecompatibility tests are very important items. in the
function. The user’s experience and specialcurrent "content-based" information age, software is
feelings belong to the mobile phone industrial design.the final behind-the-scenes mainstay for a mobile
The industrial design of mobile phone is particularlyphone. The driver of hardware was performed by
important, because the success or best-selling ofthe software. So there are many conflicts between
mobile phone depends on the Industry Design.the SW and HW not less than the other
 departments. On this account, they need a PM
2, MD (Mechanical Design) structural design(Project Management) to coordinate and
MD refers to the housing (face A and back B), themanagement. Next we talk about he PM.
camera position and the fixed way, the connecting 
between the battery and the mainboard, the5, PM (Project Management) Project Management
thickness of mobile phone, If it is a slide phone, howThe big mobile phone company has perfect and clear
to slide up and how to achieve auto-up shells, anddivision of labor in great detail, such as TPM
the arrangement of how to plug in and take off the(Technology Of Project Management), that is the
SIM card. All of these are the areas of Mechanicalspecialized control technology PM, while the ordinary
design of mobile phones.PM, only control the progress of project and
It is necessary to know the Material and the craft tocoordinate the relations between the departments.
the mobile phone designer.Usually, the PM department exist in the big company
 which has themselves design, production and sales.
The thickness (just 13.90mm) of the Motorola V3 
leads the fashionable trend. The sales point is the 
Ultra-thin. The housing of V3 uses the advanced aero6, Sourcing Resources Development
metal. It can be said that the success of the V3Resource development of staff to have to keep
depend on the choice of the special shell material.digging new resources, such as new materials, new
 cell phone components, testing equipment. They
Speaking the important of the MD, someone said hemust ensure that the production line has all of the
can fell the housing shaking when the Ultra-thin slideproduction materials, when the phone started trial
phone calling or answering. The bug come from theproduction.
MD design, because the housing is very thin, the 
housing and speaker make out the resonance.There is a LRIP(Low Rate Initial Production) before
??to volume production. It is not only to inspect the
And the Motorola R1 and Nokia 5800 are thehardware / software maturity, but also to inspect
represents of the successful combination characterthe manufacturing technique and production test
ID and special MD.technology. There are certain models can not pass
 the last procedure. So the “new” mobile
3. Hardware designs include the circuit design andphone will not appear on the market. It is a great
antenna design. And it is important that HW and MDloss, because all of the investment of financial and
should keep communication.human can not get the payback or return.
  
MD required the phone has a thin shell, so the first7, QA (Quality Assurance) Quality Supervision
thing is that design a thin circuit. Meanwhile HWQA departments are responsible for quality assurance
required the MD leave a big black space for thein the whole process, supervise if the development
antenna, and there is an enough distance betweenprocess to meet the scheduled process, to ensure
the antenna and the battery. In addition, HW requiredthat the project can be produced.  there are many
the ID do not place the metal parts close thenew projects to be abandoned because the process
antenna and so on. It is obvious that the cost of ahave no considering the mass production.
mobile phone which has an internal antenna is higher??
than the external antenna mobile phone. The mainThe production of a cell phone is not in the
factors is the antenna design, the material required,laboratory experiments as simple as. It is not an easy
design of the circuit and the cost of the production,thing to ensure the quality of every product when to
all of the terms lead to the higher cost than themass produce. It is completely different things to
external antenna mobile phone.produce one cell phone sample and to mass produce
 the 100,000 mobile phones in production line.
Usually, the MD design engineer and the ID design 
engineer have an argument. MD said ID is just aFor example: all of the food which comes from
painter, to paint something which can’t makeChinese restaurant is just samples, and McDonald's is
out. And ID said MD is clumsy, the MD can’tproducts, so McDonald could have done a lot. But so
understand the thought of ID department, can’tfar, the Chinese restaurant has not yet been
design out the suitable MD to coordinate with the IDachieved as the size of McDonald's, the essential
design. So the mobile phone is not popular and has noreason is that Mc Donald has a set of rule to stipulate
the good sales.how to make a product, and Chinese restaurant
 cook just depend on the experience or the feeling to
On this account, it is necessary that all of theproduce a food.
department will gather together to analyze and judge 
the feasibility of the ID department thought. A goodSo all of mobile phone design house established a
ID plan has a creative, has feasibility on MD, and theprocess to prevent the emergence of many design
most important is that the consumer accept the ID,and development of the mobile phone does not
Nokia 8800 and Motorola V3 are the samples.come into production.