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Company · Hsinchu · Taiwan

United Microelectronics (Taiwan)

In research, United Microelectronics (Taiwan) stands highest in Electrical and Electronic Engineering (#2,278 of 3,725 worldwide), Engineering (#7,315 of 9,532 worldwide) and Physical Sciences (#13,667 of 17,446 worldwide), over all time.

umc.com/EnglishROR OpenAlex
World rank, all time
#29,136
of 34,923
Rank in Taiwan
#242
of 284
Research works
643
▼ 66% vs 2018-21
Citations
4.4k
6.8 per fractional work
Top-10% rate
5.1%
all institutions 10.0%
vs its own fields
0.60×
1.00× is exactly expected
Open access
4%
world 40%
International
29%
world 18%
United Microelectronics (Taiwan)

What is United Microelectronics (Taiwan) known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Electrical and Electronic EngineeringSubfield #2,278 of 3,725 2.4%405
EngineeringField #7,315 of 9,532 2.4%517
Physical SciencesDomain #13,667 of 17,446 2.5%628

Each strip is that field's whole ranked pool, with the notch where United Microelectronics (Taiwan) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does United Microelectronics (Taiwan) work in?

In all years, 98% of research at United Microelectronics (Taiwan) is in Physical Sciences, 1% in Social Sciences. Its largest fields are Engineering (80%), Materials Science (8%), Computer Science (5%). It does 2.4× the world's share of Physical Sciences.

Physical Sciences: 628 fractional works · 97.7% of its workEngineering: 517 fractional works · 80.4% of its workElectrical and Electronic Engineering: 405 fractional works · 62.9% of its workBiomedical Engineering: 39 fractional works · 6.1% of its workIndustrial and Manufacturing Engineering: 31 fractional works · 4.8% of its workMechanical Engineering: 15 fractional works · 2.4% of its workComputational Mechanics: 9 fractional works · 1.3% of its workMechanics of Materials: 6 fractional works · 1.0% of its workControl and Systems Engineering: 3 fractional works · 0.5% of its workAerospace Engineering: 2 fractional works · 0.4% of its workBuilding and Construction: 2 fractional works · 0.3% of its workCivil and Structural Engineering: 2 fractional works · 0.3% of its workMedia Technology: 2 fractional works · 0.3% of its workMaterials Science: 49 fractional works · 7.6% of its workElectronic, Optical and Magnetic Materials: 20 fractional works · 3.0% of its workSurfaces, Coatings and Films: 16 fractional works · 2.4% of its workMaterials Chemistry: 12 fractional works · 1.8% of its workSmaller subfields together: 2 fractional works · 0.4% of its workComputer Science: 31 fractional works · 4.9% of its workHardware and Architecture: 15 fractional works · 2.4% of its workComputer Networks and Communications: 7 fractional works · 1.1% of its workComputer Vision and Pattern Recognition: 4 fractional works · 0.6% of its workArtificial Intelligence: 2 fractional works · 0.3% of its workSmaller subfields together: 4 fractional works · 0.6% of its workPhysics and Astronomy: 26 fractional works · 4.1% of its workAtomic and Molecular Physics, and Optics: 22 fractional works · 3.4% of its workCondensed Matter Physics: 4 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.0% of its workEnvironmental Science: 2 fractional works · 0.3% of its workChemistry: 1 fractional works · 0.1% of its workChemical Engineering: 1 fractional works · 0.1% of its workEnergy: 0 fractional works · 0.1% of its workMathematics: 0 fractional works · 0.0% of its workSocial Sciences: 8 fractional works · 1.3% of its workDecision Sciences: 4 fractional works · 0.6% of its workManagement Science and Operations Research: 2 fractional works · 0.3% of its workStatistics, Probability and Uncertainty: 2 fractional works · 0.3% of its workBusiness, Management and Accounting: 3 fractional works · 0.4% of its workSocial Sciences: 1 fractional works · 0.1% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.1% of its workPsychology: 0 fractional works · 0.0% of its workLife Sciences: 5 fractional works · 0.8% of its workAgricultural and Biological Sciences: 4 fractional works · 0.6% of its workEcology, Evolution, Behavior and Systematics: 2 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 0.2% of its workNeuroscience: 0 fractional works · 0.0% of its workHealth Sciences: 1 fractional works · 0.2% of its workMedicine: 1 fractional works · 0.2% of its workALL ITS WORKUnitedMicroelectronics…643fractional works, all years
Life Sciences1%Physical Sciences98%Health Sciences0%Social Sciences1%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 20 fields, with their numbers
    1. Engineering51780.4%
    2. Materials Science497.6%
    3. Computer Science314.9%
    4. Physics and Astronomy264.1%
    5. Environmental Science20.3%
    6. Chemistry10.1%
    7. Chemical Engineering10.1%
    8. Energy00.1%
    9. Mathematics00.0%
    10. Earth and Planetary Sciences00.0%
    1. Decision Sciences40.6%
    2. Business, Management and Accounting30.4%
    3. Social Sciences10.1%
    4. Economics, Econometrics and Finance10.1%
    5. Psychology00.0%
    1. Agricultural and Biological Sciences40.6%
    2. Biochemistry, Genetics and Molecular Biology10.2%
    3. Neuroscience00.0%
    1. Medicine10.2%
    2. Health Professions00.0%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Computer Science: 1.64× its world share, 2 worksComputer ScienceEngineering: 4.19× its world share, 11 worksEngineeringEnvironmental Science: 0.12× its world share, 0 worksEnvironmental ScienceMaterials Science: 1.93× its world share, 1 worksMaterials SciencePhysics and Astronomy: 4.26× its world share, 2 worksPhysics and AstronomyHealth Professions: 0.23× its world share, 0 worksHealth ProfessionsMedicine: 0.03× its world share, 0 worksMedicineBusiness, Management and Accounting: 0.19× its world share, 0 worksBusiness, Management…Decision Sciences: 2.38× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.43× its world share, 0 worksEconomics, Econometr…Social Sciences: 0.19× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 4.3×. Every wedge is a field page.

All 11 fields, with their numbers
  1. Physics and Astronomy4.26×2 works
  2. Engineering4.19×11 works
  3. Decision Sciences2.38×0 works
  4. Materials Science1.93×1 works
  5. Computer Science1.64×2 works
  6. Economics, Econometrics and Finance0.43×0 works
  7. Health Professions0.23×0 works
  8. Business, Management and Accounting0.19×0 works
  9. Social Sciences0.19×0 works
  10. Environmental Science0.12×0 works
  11. Medicine0.03×0 works

Who are the top researchers at United Microelectronics (Taiwan)?

Ranked on the quality score, Hermes Liu, Thomas Meng-Hsiu Wu and William Y. Chou lead among researchers whose main affiliation is United Microelectronics (Taiwan).

  1. 1 Hermes Liu Taiwan · #2,876,173 worldwide 431 citations · 32 works
  2. 2 Thomas Meng-Hsiu Wu Taiwan · #2,931,701 worldwide 312 citations · 15 works
  3. 3 William Y. Chou Taiwan · #2,937,052 worldwide 967 citations · 24 works
  4. 4 Te Hung Wu Taiwan · #3,019,031 worldwide 92 citations · 47 works
  5. 5 Water Lur Taiwan · #3,590,303 worldwide 376 citations · 27 works
  6. 6 S. W. Sun Taiwan · #3,616,064 worldwide 91 citations · 15 works
  7. 7 Shengyi Huang Taiwan · #3,642,646 worldwide 1k citations · 76 works
  8. 8 Y. L. Chin Taiwan · #3,667,585 worldwide 127 citations · 15 works
  9. 9 Chia Ching Lin Taiwan · #3,731,327 worldwide 243 citations · 19 works
  10. 10 Wen-Tai Chiang Taiwan · #3,758,062 worldwide 565 citations · 38 works
All ranked researchers at United Microelectronics (Taiwan)

What are the most cited papers from United Microelectronics (Taiwan)?

The most cited paper from United Microelectronics (Taiwan) is "A green supplier selection model for high-tech industry" (Amy H.I. Lee, He‐Yau Kang, Chang-Fu Hsu et al., 2008), with 799 citations. Next come "Structural characterization of nano-sized calcium deficient apatite powders" (191) and "High-density MIM capacitors using Al2O3 and AlTiOx dielectrics" (168).

Most cited papers
#PaperReleasedCitations
1 A green supplier selection model for high-tech industry Amy H.I. Lee, He‐Yau Kang, Chang-Fu Hsu et al. · Expert Systems with Applications 9 Dec 2008 799
2 Structural characterization of nano-sized calcium deficient apatite powders Sz‐Chian Liou, San‐Yuan Chen, Hsin‐Yi Lee et al. · Biomaterials 24 Oct 2003 191
3 High-density MIM capacitors using Al2O3 and AlTiOx dielectrics S.B. Chen, Chyong‐Huey Lai, Albert Chin et al. · IEEE Electron Device Letters Apr 2002 168
4 Optimization of multiple responses using principal component analysis and technique for order preference by similarity to ideal solution Lee‐Ing Tong, Chung‐Ho Wang, Hung-Cheng Chen · The International Journal of Advanced Manufacturing Technology 6 Jul 2004 141
5 Structural characterization of room-temperature synthesized nano-sized β-tricalcium phosphate Jong-Shing Bow, Sz‐Chian Liou, San‐Yuan Chen · Biomaterials 10 Dec 2003 132
All 61 most cited papers, with filters and sorting

Which keywords describe research at United Microelectronics (Taiwan)?

By fractional works in all years, weighted toward what it does more of than the world: Nanoelectronics, Semiconductor Devices, Atomic Layer Deposition, High-k Dielectrics, Integrated Circuits, Failure Analysis, Fault Localization and Laser Voltage Probing.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Nanoelectronics92▲ 93×2 topics
  2. Semiconductor Devices92▲ 107×2 topics
  3. Atomic Layer Deposition92▲ 108×1 topic
  4. High-k Dielectrics92▲ 108×1 topic
  5. Integrated Circuits82▲ 55×3 topics
  6. Failure Analysis74▲ 85×2 topics
  7. Fault Localization73▲ 132×2 topics
  8. Laser Voltage Probing72▲ 221×1 topic
  9. Photon Emission Microscopy72▲ 221×1 topic
  10. Process Variation69▲ 111×2 topics
  11. Nanowire Transistors64▲ 155×1 topic
  12. Tunnel Field-Effect Transistors64▲ 155×1 topic
  13. High-Resolution Patterning43▲ 170×2 topics
  14. Nanofabrication43▲ 75×3 topics
  15. Electron Beam Lithography40▲ 302×1 topic
  16. Resolution Limits40▲ 302×1 topic
  17. Thin Films36▲ 21×7 topics
  18. Solar Cells34▲ 17×6 topics
  19. Electromigration34▲ 99×2 topics
  20. Thermal Management30▲ 16×5 topics
  21. High-Temperature Electronics28▲ 60×2 topics
  22. Nanowires24▲ 16×4 topics
  23. Machine Vision24▲ 19×3 topics
  24. Tool Wear22▲ 24×3 topics
  25. CMOS Technology20▲ 26×4 topics
  26. Molecular Dynamics Simulation20▲ 21×2 topics
  27. Chemical Mechanical Planarization20▲ 53×1 topic
  28. Material Removal Mechanism20▲ 53×1 topic
  29. Fabric Defect Detection20▲ 70×1 topic
  30. Texture Analysis20▲ 21×1 topic
  31. Neuromorphic Computing18▲ 39×2 topics
  32. Low-k Dielectrics18▲ 114×1 topic
  33. Microelectronics18▲ 103×1 topic
  34. Thermal Behavior18▲ 41×2 topics
  35. X-ray Photoelectron Spectroscopy17▲ 19×2 topics
  36. Interconnect16▲ 107×1 topic
  37. Through-Silicon Via16▲ 107×1 topic
  38. Interfacial Reactions16▲ 86×1 topic
  39. Lead-free Solders16▲ 86×1 topic
  40. Reliability14▲ 24×2 topics

Which research topics does United Microelectronics (Taiwan) publish most on?

By volume in 2022-now: GaN-based semiconductor devices and materials, Electronic Packaging and Soldering Technologies, Integrated Circuits and Semiconductor Failure Analysis and Silicon Carbide Semiconductor Technologies.

GaN-based semiconductor devices and materials: 1 fractional worksElectronic Packaging and Soldering Technologies: 1 fractional worksIntegrated Circuits and …1Integrated Circuits and Semiconductor Failure Analysis: 1 fractional worksSilicon Carbide Semicond…1Silicon Carbide Semiconductor Technologies: 1 fractional worksElectromagnetic Compatibility and Noise Suppression: 1 fractional works3D IC and TSV technologies: 1 fractional worksElectrostatic Discharge …0Electrostatic Discharge in Electronics: 0 fractional worksSemiconductor materials and devices: 0 fractional worksCopper Interconnects and Reliability: 0 fractional worksAdvancements in PLL and VCO Technologies: 0 fractional works
Condensed Matter PhysicsElectrical and Electronic EngineeringElectronic, Optical and Magnetic Materials

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 GaN-based semiconductor devices and materials Condensed Matter Physics 1 works
  2. 2 Electronic Packaging and Soldering Technologies Electrical and Electronic Engineering 1 works
  3. 3 Integrated Circuits and Semiconductor Failure Analysis Electrical and Electronic Engineering 1 works
  4. 4 Silicon Carbide Semiconductor Technologies Electrical and Electronic Engineering 1 works
  5. 5 Electromagnetic Compatibility and Noise Suppression Electrical and Electronic Engineering 1 works
  6. 6 3D IC and TSV technologies Electrical and Electronic Engineering 1 works
  7. 7 Electrostatic Discharge in Electronics Electrical and Electronic Engineering 0 works
  8. 8 Semiconductor materials and devices Electrical and Electronic Engineering 0 works
  9. 9 Copper Interconnects and Reliability Electronic, Optical and Magnetic Materials 0 works
  10. 10 Advancements in PLL and VCO Technologies Electrical and Electronic Engineering 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available3.7%not open96.3%

World: 40% of research is openly available.

with international co-authors28.9%domestic only71.1%

World: 18% is written across borders.

How has United Microelectronics (Taiwan)'s research output changed?

Output in 2022-2025 was 66% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is United Microelectronics (Taiwan) as a percentage of every work published that year, 0.000022% in 2024.

still counting0.0010%0.0020%0.0030%United Microelectronics (Taiwan)0.00013% in 20251990200020102020

Fractional works of United Microelectronics (Taiwan) over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

5%10%15%all institutions10.0% in 2016United Microelectronics (Taiwan)0.9% in 20162010

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 6.3% in 2008.

Other research institutions in Hsinchu

All research institutions in Hsinchu

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United Microelectronics (Taiwan) on Science Explorer

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