# EP/ME 777: Vacuum Technology | UW–Madison [View on UW Courses](https://uwcourses.com/courses/EP_ME_777) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 52a78527ff09011d88cb04c7d43867d9fbfec2930bf1dd2ec359ebd2844e0b07 ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-10T19:50:42.743001+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## course ### run id 20260907T155543-ce3781c4 ### semester 1272 ### observed at 2026-09-07 15:55:43.033547+00:00 ### record version id 869093542435f22878c626f9b036d4979e984233841dfe683d215084c948c32c ### course id EP/ME 777 ### course uid course\_32785cd9b9c1aa0ca2926755 ### catalog version id 61cd8ba69582cbc1e0ff5f09679df76cb2b3bf252c63c38476db48bc64eb94c3 ### course number 777 ### subjects * EP * ME ### title VACUUM TECHNOLOGY ### description Topics defining modern vacuum technology, including the kinetic theory of gases, conductance, pumping systems, pump technologies, pressure measurement, gas-surface interactions, sealing technologies, leak detection, and residual gas analysis will be addressed through a combination of lectures, laboratory activities, problem solving, and group discussions. Knowledge of fluid mechanics \[such asM E 363or B M E 320] strongly encouraged. ### requirements text Graduate/professional standing ### credit offering ids None recorded. ### llm job id enrich-8b774950c2b6adfdc46d1b82 ### llm output id ebd8c31498bc71cfe290ca1e1d02a7131a7674b021820eecff778d2029b42274 ### llm model nvidia/Qwen3.6-35B-A3B-NVFP4 ### llm model revision 1355db6a052410cfd62085d94b58866fd0f2c3c5 ### llm task version 14 ### llm search status valid ### llm summary EP/ME 777 covers modern vacuum technology topics including gas kinetics, pumping systems, and leak detection through lectures and labs. ### llm topics * Kinetic theory of gases * Conductance * Pumping systems * Pump technologies * Pressure measurement * Gas-surface interactions * Sealing technologies * Leak detection ### llm skills * Modern vacuum technology analysis and problem solving ### llm assumed background * Fluid mechanics ### llm search phrases * vacuum technology * kinetic theory of gases * pumping systems * pressure measurement * leak detection ### llm requirements status valid ### llm student summary status valid ### llm experience status insufficient\_evidence ### catalog variants None recorded. ### student summary #### context hash 11166a4264735399e7e19f59b5bbd4e28af68c40a88a63b850259ea3e4c5f1c3 #### course id EP/ME 777 #### current instructors None recorded. #### difficulty workload None recorded. #### errors None recorded. #### historical context None recorded. #### message No course-specific reviews available #### offered false #### profile hash 5cb4dabf887cdbcd8c00d5a1312e10828b95c63f30bc3ea76aea199565390d02 #### quick take Recent recorded grades — Spring 2017: 3.55 GPA, 90.0% A/AB (n=10 letter grades); Spring 2020: 3.90 GPA, 100.0% A/AB (n=10 letter grades); Spring 2022: 3.56 GPA, 75.0% A/AB (n=8 letter grades). ```json { "citations": [ { "course_id": "EP/ME 777", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "721b7ce8-903b-3491-9cbb-926f63280b35", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1174", "type": "grade" }, { "course_id": "EP/ME 777", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "721b7ce8-903b-3491-9cbb-926f63280b35", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1204", "type": "grade" }, { "course_id": "EP/ME 777", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "721b7ce8-903b-3491-9cbb-926f63280b35", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1224", "type": "grade" } ] } ``` #### student experience None recorded. #### task hash 74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68 #### teaching history None recorded. #### term id 1272 #### term name 2026 Fall #### version 2 ### requirements #### nodes ```json [ { "children": [], "condition": "Graduate/professional standing", "course": null, "evidence": "Graduate/professional standing", "id": "n0", "kind": "condition" } ] ``` #### notes None recorded. #### root n0 #### status parsed ### instructors None recorded. ### offerings None recorded. ### sections None recorded. ### grade instructors ```json [ { "instructor_uid": "instructor_a08a737cab05fe0870eeec40", "source": "madgrades", "source_instructor_id": "2601618", "identity_basis": "source_id", "identity_status": "source_identified", "name": "JOHN PFOTENHAUER", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 10, "quality": 4.3, "difficulty": 3.4, "quality_count": 10, "difficulty_count": 10, "profile_id": "rmp:927521", "source_url": "https://www.ratemyprofessors.com/professor/927521", "match_basis": "exact_name", "observed_at": "2026-09-07 16:31:13.179076+00:00", "courses": { "course_abbca94d282e1b033b9fcce7": { "review_count": 2, "quality": 4, "difficulty": 4, "quality_count": 2, "difficulty_count": 2 }, "course_c30972f318c82dcee2e70be3": { "review_count": 5, "quality": 4.4, "difficulty": 3, "quality_count": 5, "difficulty_count": 5 }, "course_49f4cc81838176c2180ea21f": { "review_count": 1, "quality": 5, "difficulty": 3, "quality_count": 1, "difficulty_count": 1 }, "course_b295a028aee788daadbfb445": { "review_count": 1, "quality": 4, "difficulty": 4, "quality_count": 1, "difficulty_count": 1 }, "course_e943bbcb154c20d2c16a6792": { "review_count": 1, "quality": 4, "difficulty": 4, "quality_count": 1, "difficulty_count": 1 } }, "bayesian_quality": 3.87312385569773, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "grade_statistics": { "gpa": 2.955, "graded": 1445, "counts": [ 246, 267, 370, 296, 240, 21, 5 ], "sections": 134 }, "instructor_url": "/instructors/JOHN_PFOTENHAUER--instructor_a08a737cab05fe0870eeec40" } ] ``` ### grades ```json [ { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "EP/ME 777", "course_uid": "course_32785cd9b9c1aa0ca2926755", "term_id": "1174", "term_name": "Spring 2017", "instructors": [ "John Pfotenhauer" ], "a": 2, "ab": 7, "b": 1, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 10, "source_aliases": [ "EP/ME 777" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "EP/ME 777", "course_uid": "course_32785cd9b9c1aa0ca2926755", "term_id": "1204", "term_name": "Spring 2020", "instructors": [ "John Pfotenhauer" ], "a": 8, "ab": 2, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 10, "source_aliases": [ "EP/ME 777" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "EP/ME 777", "course_uid": "course_32785cd9b9c1aa0ca2926755", "term_id": "1224", "term_name": "Spring 2022", "instructors": [ "John Pfotenhauer" ], "a": 3, "ab": 3, "b": 2, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 8, "source_aliases": [ "EP/ME 777" ] } ] ``` ### statistics #### gpa 3.679 #### graded 28 #### counts * 13 * 12 * 3 * 0 * 0 * 0 * 0 ### grade conflicts None recorded. ### evidence #### history * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course\_32785cd9b9c1aa0ca2926755-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course_32785cd9b9c1aa0ca2926755-0.json) #### traces * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/traces/course\_32785cd9b9c1aa0ca2926755-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/traces/course_32785cd9b9c1aa0ca2926755-0.json) #### results * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/results/course\_32785cd9b9c1aa0ca2926755-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/results/course_32785cd9b9c1aa0ca2926755-0.json) ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ## context ### all #### term #### gpa 3.6785714285714284 #### count 28 #### departments | subject | comparison | | ------- | ---------- | | EP | | | ME | | ### terms #### 1174 ##### term 1174 ##### gpa 3.55 ##### count 10 ##### departments | subject | comparison | | ------- | ---------- | | EP | | | ME | | #### 1204 ##### term 1204 ##### gpa 3.9 ##### count 10 ##### departments | subject | comparison | | ------- | ---------- | | EP | | | ME | | #### 1224 ##### term 1224 ##### gpa 3.5625 ##### count 8 ##### departments | subject | comparison | | ------- | ---------- | | EP | | | ME | | ### benchmarks #### all ##### school ###### size 2090 ###### gpa 3.6486711330141075 ###### top Share 81.29003296676328 ###### count 85 ##### ME ###### size 41 ###### gpa 3.6021237548140137 ###### top Share 78.41969279634424 ###### count 86 #### terms ##### 1174 ###### school ###### size 955 ###### gpa 3.4597947384071412 ###### top Share 69.5290038366363 ###### count 69 ###### ME ###### size 17 ###### gpa 3.33979014346467 ###### top Share 61.38142751302186 ###### count 106 ##### 1204 ###### school ###### size 1012 ###### gpa 3.703747431523761 ###### top Share 84.59811226304916 ###### count 65.5 ###### ME ###### size 20 ###### gpa 3.669078433787773 ###### top Share 83.33636146963025 ###### count 84 ##### 1224 ###### school ###### size 1171 ###### gpa 3.5627882428500937 ###### top Share 76.37271640560496 ###### count 64 ###### ME ###### size 24 ###### gpa 3.523850925666045 ###### top Share 74.7737178649795 ###### count 102.5 ## instructor Trends ```json [ { "uid": "instructor_a08a737cab05fe0870eeec40", "name": "JOHN PFOTENHAUER", "count": 28, "terms": [ { "term": "1174", "count": 10, "sections": 1, "gpa": 3.55 }, { "term": "1204", "count": 10, "sections": 1, "gpa": 3.9 }, { "term": "1224", "count": 8, "sections": 1, "gpa": 3.5625 } ] } ] ``` ## following None recorded.