MECH&AE M183B
Introduction to Microscale and Nanoscale Manufacturing
Lecture and lab.
Winter 2026: 2 lectures and 4 discussions. 1 lecture is open. The oldest of these readings was about 1 month ago.
Also listed as BIOENGR M153, CH ENGR M153, EC ENGR M153: the same class, and each department holds its own seats and its own grade history.
Grades
3.65
Average grade awarded in MECH&AE M183B. Not a student rating: this is what the grades were.
In the A range
76%
of the 297 letter grades
D, F or W
1.3%
of every letter grade awarded, plus withdrawals
Taken pass/no pass
-
the registrar has this letter grade only this term
The registrar's own records: 297 grades over 9 terms, Fall 2021 to Fall 2025. Every instructor is pooled here.
What is inside that record
No summer session is in that record.
The table below splits them, and term averages across those 9 terms ran 3.43 to 3.89.
Historical grades for CHEN, YONG, across recorded terms. The course summary above includes all professors.
- A+ 2 · 3.3%
- A 39 · 65.0%
- A- 10 · 16.7%
- B+ 6 · 10.0%
- B 1 · 1.7%
- B- 1 · 1.7%
- F 1 · 1.7%
- I 2 of 62
Percentages are of the 60 letter grades. Grey bars are non-letter outcomes: incompletes (I).
How the non-letter outcomes are counted
They are excluded from the GPA entirely rather than scored, because counting a P as a 4.0 would be a fabrication.
By instructor
| Instructor | Predicted GPA | Raw | n | Terms | A range | Workload | Winter 2026 |
|---|---|---|---|---|---|---|---|
| CHIOU, PEI-YU reviews ↗ | 3.62 | 3.61 | 212 | 6 | 74% | light | not teaching it |
| CHEN, YONG reviews ↗ | 3.75 | 3.78 | 60 | 2 | 85% | very light | Closed by the department |
| JU, SUNGTAEK reviews ↗ | 3.66 | 3.68 | 25 | 2 | 76% | - | Open, 26 seats left |
Why Predicted is not the Raw average
“Predicted” is shrunk toward the course average, which is itself shrunk toward the department, so an instructor with a handful of students sits near the course mean rather than topping the list.
Grade records describe outcomes. For what a course is like to take, read student reviews written on dibs below or follow the separate external review link.
Workload and assignments
Work types reported in BruinWalk reviews of this course, across recorded instructors and terms. They may differ from this term's syllabus.
What the work looks like
- 1 exam, said by 7 reviewers
- 3 quizzes, said by 2 reviewers
- 1 paper, said by 3 reviewers
- 4 problem sets, said by 4 reviewers
- 1 group work, said by 1 reviewer
- 6 labs, said by 5 reviewers
Read from 12 reviews 17 days ago. dibs counts only what a review actually states, so a kind of work nobody mentioned is absent rather than zero.
What comes first
The chain dibs can see is 6 courses long before MECH&AE M183B. Read from Fall 2026, because dibs has not read a class page for MECH&AE M183B in Winter 2026 and a department can change what it requires. dibs has read a class page for every course in it.
Counted in courses rather than quarters: dibs does not know which of them a department lets you take together.
In Winters
Ran in 4 of the last 4 Winters.
From the terms dibs holds, which start in Fall 2021 and exclude summer. A department can run a course in a quarter it never has before.
From the registrar's catalog
(Same as Bioengineering M153, Chemical Engineering M153, and Electrical and Computer Engineering M153.) Lecture, three hours; laboratory, four hours; outside study, five hours. Enforced requisites: Chemistry 20A, Physics 1A, 1B, 1C, 4AL. Introduction to general manufacturing methods, mechanisms, constrains, and microfabrication and nanofabrication. Focus on concepts, physics, and instruments of various microfabrication and nanofabrication techniques that have been broadly applied in industry and academia, including various photolithography technologies, physical and chemical deposition methods, and physical and chemical etching methods. Hands-on experience for fabricating microstructures and nanostructures in modern clean-room environment. Letter grading.
Sections in Winter 2026
You enroll in the discussion, not the lecture, so a discussion's status is the one that decides whether you get in. A lecture can read open while every discussion under it is full.
Seat counts as of : the oldest of these 6 readings. That term is over, so nothing has moved since.
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Lec 1 MW 12:30pm-1:45pmClosed by the department3.75predicted, this instructor · 60 grades
42 enrolled -
not checked yet4 discussions, none open. There is no waitlist either, so the only way in is somebody dropping the lecture.
Every discussion, with its time and seats (4)
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Lab 1A
T 8:00am-11:50am · Engineering IV 18132
Closed by the department10 enrolled
-
Lab 1B
W 2:00pm-5:50pm · Engineering IV 18132
Closed by the department11 enrolled
-
Lab 1C
R 8:00am-11:50am · Engineering IV 18132
Closed by the department11 enrolled
-
Lab 1D
W 8:00am-11:50am · Engineering IV 18132
Closed by the department10 enrolled
-
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Lec 80 Time TBAOpen
Ju, S. and Zhang, M.
3.66predicted, this instructor · 25 grades26 seats left. 9 of 35 enrolled -
not checked yet
Final enrollment, averaged across each term's sections: between 14 and 44 a term over 9 terms, summer excluded, most recently 29 in Fall 2025. That is the shape across years, not this term, which is above.
From the people who took it
Student reviews
What taking MECH&AE M183B was like: the work, the teaching, and what students wish they’d known.
Your experience could be the first.
No student reviews are available to read on dibs for this course yet. Took it? Tell the next person what helped, what was hard, and how you spent your time.
Looking for more perspectives?
External reviews are separate and do not count toward the dibs rating.
Seats over time in Winter 2026
How each lecture has filled since dibs first saw it. This course runs 2 lectures; the legend under the chart picks one.
A dot is a reading where something moved: the seat count, the status, or the waitlist.
What a flat run means, and where a line starts
Flat between dots means it did not drift, it held and then jumped, and a line starts when dibs first saw that lecture rather than reaching back before it existed. A lecture that has never moved draws a flat line across the whole window, and one with two or three readings draws a line joining them, which is too few to read a trend from.
Lec 1 · Chen, Y. · 42 enrolled
Unchanged over 2 minutes
Both readings say 42 seats.
Lec 80 · Ju, S. and Zhang, M. · 9 of 35 enrolled
Unchanged over 2 minutes
Both readings say 9 of 35.
How readings and alerts work
A reading and an hourly record are different things, and most charts here hold more of the second missing than present. dibs has taken readings of a section since long before it began keeping an hour-by-hour log of when it looked, so the empty stretches are dibs saying it was not keeping that log yet, not that it looked and found nothing. That is the age of the record and not a fault.
Seat counts show the last successful read, not live availability. Refreshes can be delayed by request limits or upstream interruptions. Watched sections receive priority, but an hourly update for every section is not guaranteed.
The registrar can change a seat count between our checks. Alerts depend on dibs detecting an opening and completing delivery; a quiet watch does not prove that no seat opened. Check the registrar before enrolling.