IT989000B - Maschera fotoresistiva trasparen te reimpiegabile e procedimento di preparazione della stessa - Google Patents

Maschera fotoresistiva trasparen te reimpiegabile e procedimento di preparazione della stessa

Info

Publication number
IT989000B
IT989000B IT25170/73A IT2517073A IT989000B IT 989000 B IT989000 B IT 989000B IT 25170/73 A IT25170/73 A IT 25170/73A IT 2517073 A IT2517073 A IT 2517073A IT 989000 B IT989000 B IT 989000B
Authority
IT
Italy
Prior art keywords
reusable
transparent
procedure
preparation
same
Prior art date
Application number
IT25170/73A
Other languages
English (en)
Italian (it)
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US00264653A external-priority patent/US3815978A/en
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT989000B publication Critical patent/IT989000B/it

Links

IT25170/73A 1972-06-20 1973-06-12 Maschera fotoresistiva trasparen te reimpiegabile e procedimento di preparazione della stessa IT989000B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00264653A US3815978A (en) 1972-06-20 1972-06-20 Durable see-through photoresist mask

Publications (1)

Publication Number Publication Date
IT989000B true IT989000B (it) 1975-04-30

Family

ID=23007027

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25170/73A IT989000B (it) 1972-06-20 1973-06-12 Maschera fotoresistiva trasparen te reimpiegabile e procedimento di preparazione della stessa

Country Status (2)

Country Link
JP (1) JPS576102B2 (enExample)
IT (1) IT989000B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57144550A (en) * 1981-02-28 1982-09-07 Dainippon Printing Co Ltd Blank plate for photomask
JPS57182741A (en) * 1981-05-07 1982-11-10 Dainippon Printing Co Ltd Photomask blank plate
JPS57182740A (en) * 1981-05-07 1982-11-10 Dainippon Printing Co Ltd Photomask

Also Published As

Publication number Publication date
JPS576102B2 (enExample) 1982-02-03
JPS4953039A (enExample) 1974-05-23

Similar Documents

Publication Publication Date Title
AT345960B (de) Chirurgische gesichtsmaske
AT350708B (de) Operations-gesichtsmaske
NO783636L (no) Fremgangsmaate for fremstilling av n-fosfonometyl-glycin
BR7603460A (pt) Detector de fenomenos anormais
AR197416A1 (es) Nuevas materias colorantes derivadas de triazinil-amino-benceno y un procedimiento para la preparacion de las mismas
SE421415B (sv) Forfarande for sulfonering av aromatiska substanser
BE802250A (fr) Melanges de colorants
NO140731C (no) Fremgangsmaate for fremstilling av dimetyleter
IT1029975B (it) Procedimento di metatesi di cicloolefina
AR200585A1 (es) Preparacion de w-pentanorprostaglandinas sustituidas
SE382053B (sv) Forfarande for framstellning av bifenylylalkanoylaminopyridiner
SE383151B (sv) Forfarande for framstellning av 1-hydroxi-2-pyridoner
AR197409A1 (es) Colorantes azoicos y procedimiento para la preparacion de los mismos
AR211914A1 (es) Procedimiento de preparacion de una nueva(diciclopropilmetil-2-aminotizolina
IT981798B (it) Fotomaschera e procedimento per la sua fabbricazione
DK136062B (da) Fremgangsmade til fremstilling af 2-alkylaminodihydropyridiner
SE383155B (sv) Forfarande for framstellning av b-(3-keto-7l-acetyltio-17b-hydroxi4-androsten-17l-yl)-propionsyra-v-lakton och dess 1-dehydroderivat
AR208344A1 (es) Procedimiento para la preparacion de granulados de poli-n-vinilpirrolidona y yoduro
FI56830B (fi) Foerfarande foer framstaellning av asparaginylgrupper innehaollande biologiskt aktiva polypeptider
SE380272B (sv) Forfarande for framstellning av n-fosfonmetylglycin
SE393111B (sv) Forfarande for framstellning av d-2-halogen-6-metyl-8-substituerad - ergolin
IT1001015B (it) Soluzione e procedimento per la protezione delle costruzioni
IT1032325B (it) Procedimento di metatesi di cicloolefina
AR197040A1 (es) Procedimiento de preparacion de nuevas bifenilacetamidas
SE7512039L (sv) Forfarande for framstellning av jodforer