technician

@technician · 2 years ago

Long weekend ahead , so prepare the passdown for line people to follow up: In all Auto-switch event onwards, to arrange the measurement for the IGBT RS measurement that the run is processed 3hrs A...

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@technician · 2 years ago

Strongly recommend friends to watch this youtube channel , as a form of travel in Turkey, Istanbul ! All the street views and shops are as good as you do the walking on the street ! Also a peep on T...

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@technician · 3 years ago

Chronic issue resolved!

There is this chronic issue that haunted us for many years, with the team efforts in finding rootcauses, today we finally able to conclude something out of it: Issue is High RS VS02. Test tha...

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@technician · 3 years ago

Mid day issue report 21 Oct

Tube06: EXTRACTCTON VOLTAGE ISSUE VESDA alarm activated due to burning smell and smoke from EXT resistor.We activated cl...

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@technician · 3 years ago

Mid day Issue - 14 October 2021

USYUL01 having PM1 Communication Error This machine encountered error PM1 not ready. Upon check found PM1 lost comm to the main frame. Reset machine a...

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@technician · 3 years ago

Mid day issue

Today is relatively good day, issues are controlleabe: Lot prev hold for stain after EWITO strip resist,only saw the slight discoloration at the test pattern. Did not notice the suspected TIW lack a...

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@technician · 3 years ago

Report for the day 27 Sep

Today considered relatively good day for a start of the week: R919 Inform maintenance to ensure external data logger is working before carry out test run . Every run to measue RS as instructed. ...

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@technician · 3 years ago

Weekend mid-day report:

Today have to work from home during weekend for mid-day report: R765 – B side RS DW OOC due to B-point low and T-point high on cavity #07. However previous run RS DW on cav#07 is within control...

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@technician · 3 years ago

Mid day report 20 Sep

Today mid-day report are as below: Lifting Level: Etch Wet Active ...

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@technician · 3 years ago

Evaluation for backside clean

A little update on the project we follow this far: MEMS BACKSIDE CLEAN EVALUATE BACKGROUND: ENGINEER evaluate for backside clean, this wafer after dry etch sent...

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@technician · 3 years ago

Problem appear everywhere

When there is problem, we started to argue who is right who is wrong. Debate went on and on. INCOMING BROKEN Summary: operator Josh see...

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@technician · 3 years ago

Mid day report 16 September

Not an easy day with problems in 3 areas, so we have to one by one settle. STS1 MAESTRIA ALARM ...

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@technician · 3 years ago

Metal Thin issue happened

Brand new issue happened in machine , we term it metal thin. history of the flow is so: Lot load into MS02 by Sami, he went to washroom and informed piao ting to unload the lot when done etch. Due...

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@technician · 3 years ago

Midday issue 13 Sep

Start of week is monday blue. All issues are not easy issue. HARDENED RESIST 4 lots at bomba dirty. Hardened resist like previous lots. All with 4.4um blue resist. All from bathcing59, as per mask...

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@technician · 3 years ago

Weekend problems

Sunday the issues still ok, not too many pop up. But still a few from them: R&D UNDER ETCH WET SINKER ...

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@technician · 3 years ago

Problem never rest even on weekend

One bad thing about production line over 24/7 is problem never rest even on weekend. We have these problems as example: Line issue over weekend: N+ LIFTING ...

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@technician · 3 years ago

Production undercut issue

Just when you think going to be a peaceful weekend, QC detected with suspect undercut. Inspected, whole lot affected with undercut on capacitor. Defect looks same for all 25pcs and is affecting the...

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@technician · 3 years ago

Mid day issues

H2O2 spike error We found cannot spike H2O2. Check H2O2 vessel, full level. Check and found main...

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@technician · 3 years ago

Machine Arm hang half way

Machine Arm hang half way Feedback by operator Alifu, when he proc wafer initially, there was no abnormality, timing and recipe was...

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@technician · 3 years ago

Vacuum pump pressure not reach setpoint within time

Vacuum pump pressure not reach setpoint within time Tool encounter vac pump pressure not reach setpoint within time. Checked all testwafers inline all have oxid...

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@technician · 3 years ago

No head no tail

We came to some issue that unconclusive. Taping relog due to same defect as prev case, photo taken - Pattern distorted at dice edges. Peding investigation and pulled commonality. No common too...

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@technician · 3 years ago

Mid day report for new week

As monday morning, we need to update the status weekly report: Metal 2 ALCU strip wet resist Lots detected with bubble like defect at wafer edges during inspection (slot25,LM#04)-> at wafer right...

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@technician · 3 years ago

Abnormal pattern on test wafers

We need to urgent activated the line support for test wafers mixture. George prepared 7 wafers bare Si wafers placed beside PSE, which to send for standard SiN. Mask Via(any product - to take note o...

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@technician · 3 years ago

Line chronic issues that need followup

We have few chronic issues that need constant followup, and today I updated the status as below: Under etch issue Dry etch feedback whole lot seen with ITO ue. Inspected only 7 wfrs and as above s...

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@technician · 3 years ago

Mid day report Sep 2

Mid day report to boss Batching feedback incoming seen 3 wfrs with haze #7/16/19, wfrs at 1F Tube. He feedback he split out the 3 wfrs from mum lot. Previous oper is Tube2- LMODE. From scope...

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@technician · 3 years ago

Some abnormality in tool

Today we found some abnormality , and after performed the check, result as this. Incoming lot found broken after opening box to align wafers by Operator. Incident witnessed by BL. Suspect...

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@technician · 3 years ago

Projects status up to date

Today we had a long meeting for progress of the whole year projects: • 87 Qualifications remaining : • On time execution + analysis & anticipation/ back-up plan -> missed out items l...

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@technician · 3 years ago

Smooth problem resolved

Today is quite productive in a way - many issues able to resolve one by one: SPC HOLD ================ ...

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@technician · 3 years ago

Smooth start of the week

Today a smooth start of a week, line issues are manageable: Chamber Pins moved UP TOO Fast - Right Chamber wafer broken when clearing wafer calibrated...

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@technician · 3 years ago

Engineering problem during weekend

Engineering issues that we faced last 2 days , Too many until the width of page may not enough to write: 1.) 8" BRE6: Residue Issue at EM layer (LOT # START WITH "C") Do not rework any BC...

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