[SI-LIST] Re: Question related to HFSS: Zpi, Zpv, Zvi difference

From: Bi Han <mike_bihan@xxxxxxxxxxxx>
To: jizheng@xxxxxxxxxxx
Date: Thu, 13 Feb 2003 19:01:03 +0800 (CST)
Hi, Ji:
        I do not think that I am fully understood.
        Why not let me explain my point for you? 
        Since you are also very familiar with our professor Lee, you can 
imagine that it was so hard for us to obtain legal access to those expansive 
EDA tool. The formal CADENCE software, donated by candece company or bought by 
our university, will not be accessed by everyone in campus.(department interest 
?)
        Another important point is that we make no bonus from all our 
activities.(That might be the reason that our lab did not develop much after 
you left.) 
        These two reasons constitute the inpreventable choice to use some 
illegal copy of commercial tool. Actually, these days a lot of questions about 
HFSS were published on the website by me. Myself is also depressed by this kind 
of situation.
       According to my experience, among all EDA I have ever touched, ansoft's 
manual is the hardest to make sense. Also, examples are far less than enough, 
(actually there are no complete example).  So, no choice, I have to ask some 
people else. 
       Furthermore, no question can be answered by local guies, then I had to 
turn to SI-list for help. (Any other useful web source will also be very 
helpful if anyone can tell me.)  Extremely limited opportunity to fabrcate our 
chip design plan also make HFSS necissary for me.
       After all, I do not think my questions are beyond any value. The 
mismatch between the results from hfss and Maxwell-2D is well worth discussion.
       Any way, I am tired of doing RF, MW research in our lab. Actually, we do 
not have the material condition indeed. Some numerial algo will be more 
suitable research direction.
       After this week end, I will join Intel to design flash memory chip and 
say goodbye to SI research temporarily.  I have had enough !!!
Thanks for your advice!
B.H.
 
 
 jizheng@xxxxxxxxxxx wrotHi,

I really think you should NOT post this email to the SI-LIST community. Your 
understanding of the benefit of using "illegal version" software is partial and 
incorrect. The protection of the intellectual property is to the best interest 
of the entire community of technology and it is the ethic of all the engineers.

From your messages posted on SI-LIST, you are a very active graduate student 
involved in the research. However, I would like to suggest that you take more 
time thinking before posting on the List and please do show respect for the SI-
LIST community. I would believe 100% of the subscribers of this List would not 
agree on your opinion over the "illegal software" because it is simply wrong. I 
could understand where your idea comes from since I was also educated in 
Chinese university. Just think about this, if people use "illegal version" in 
China, how could China conceive its own EDA company or software company in 
general ?

Well, that being said, please keep up the good work ethusiasm while at the same 
time, do a little bit research on the intellectual property ......

Ji

Quoting Bi Han :

> 
> I can not agree with you entirely.
> 
> First, AE does not provide enough support sometimes.
> 
> Seconde, students will have no access to formal support since licenses,
> donated by Company, do not contain Tech Support always and sometime
> those licenses are not legal sometimes.
> 
> Third, illegal use of licensed EDA will do good to that company. For
> instance, CADENCE is the most welcomed IC design platform in China till
> now, why? Mentor Graphics also have good tool flow for whole flow chart.
> The reason, which is held by many people here, is that mentor graphics
> does not have enough cracked versions for students to access.
> Contrastly, Cadence and hspice can be found in almost every labs in
> Chinese University. Students will have opportunity to grasp these tools
> and get used to use them before graduation.
> 
> Thanks!
> 
> Bi,Han@Sjtu(Shanghai Jiaotong University),Emlab
> 
> 
> 
> 
> 
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[SI-LIST] Re: Question related to HFSS: Zpi, Zpv, Zvi difference

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