SU574174A3 - Device for cutting serpantine groove in film resistor blanks - Google Patents

Device for cutting serpantine groove in film resistor blanks

Info

Publication number
SU574174A3
SU574174A3 SU7301956704A SU1956704A SU574174A3 SU 574174 A3 SU574174 A3 SU 574174A3 SU 7301956704 A SU7301956704 A SU 7301956704A SU 1956704 A SU1956704 A SU 1956704A SU 574174 A3 SU574174 A3 SU 574174A3
Authority
SU
USSR - Soviet Union
Prior art keywords
beams
mirrors
conductive layer
partial
around
Prior art date
Application number
SU7301956704A
Other languages
Russian (ru)
Inventor
Энгл Альфред
Март Курт
Original Assignee
Сименс Аг (Фирма)
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 DE19722238557 external-priority patent/DE2238557C3/en
Application filed by Сименс Аг (Фирма) filed Critical Сименс Аг (Фирма)
Application granted granted Critical
Publication of SU574174A3 publication Critical patent/SU574174A3/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C17/00Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/22Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
    • H01C17/24Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/0823Devices involving rotation of the workpiece
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/351Working by laser beam, e.g. welding, cutting or boring for trimming or tuning of electrical components

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Laser Surgery Devices (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Laser Beam Processing (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Optical Integrated Circuits (AREA)

Claims (1)

ных луча после этого перевод тс  неподвижным 5 и подвижным 6 зеркалами примерно на 90°. Лругое подвижное зеркало 7 еще раз переводит частичный луч 3 так, что оба частичных луча 3 и 4 образуют вместе подобие пр моугольника. Оба частичных луча 3 и 4 сход тс  из противоположных направлений на поверхности спирального провод щего сло  8, зтот слой приводитс  во вращение механическими средствами вокруг оси, перпендикул рной к плоскости чертежа. При повороте зеркал 6 и 7 зокруг своей оси п тно падени  данного луча энергии 3, соответственно луча 4, смещаетс  на провод щем слое 8 параллельно его оси вращени . Дл  получени  точечного п тна,падени  обоих частичных лучей 3, 4 установлены сферические линзы 9, 10. Они вызьшают по вление пунктирного п тна падени  на провод щем слое 8 и линейную выемку, описьшаемую частичными лучами энергии 3 и 4 на провод щем слое. Интенсивность лучей 3 и 4 регулируетс  так, чтобы материал сло  8 на данном месте падени  и только на .лем по возможности немедленно испарилс . По мере необходимости во врем  спиралеобоазовани  провод щего сло  след т за тем, чтобы последний, а также несущий его сердечник не слишком нагревались и чтобы сохран лс  провод щий слой во всех местах, к которым не Могут непосредственно проходить лучи энергии 3 и4. Формула изобретени  Устройство дл  нарезани  спиральной канавки на заготовках пленочных резисторов, содержащее лазер, оптическое средство дл  расщеплени  лазерного луча на два непрерывных частичных луча в виде накло1шого полупрозрачного зеркала, оптические средства дл  отклонени  и средства дл  фокусировани  лучей на поверхности заготовки резистора , включающие систему подвижных и неподвижных зеркал, и механические средства дл  вращени  резистора вокруг его продольной оси, отличающеес  тем, что, с делью обеспечени  непрерывности обработки, зеркала оптических средств дл  отклонени  расщепленных лучей установлены так, что по ходу одного из расщепленных лучей расположено подвижное зеркало, а по ходу другого последовательно расположены неподвижное и подвижное зеркала, причем подвижные зеркала установлены с возможностью поворота вокруг осей, соосиых с направлени ми лучей, исход щих от неподвижнь1Х зеркал, и с обеспечением смещени  попадани  лучей на поверхность загот;овки резистора. Источники информащш, прин тые во внимание .при экспертизе: 1. За вка Франции N 2090020, МКИ G 02 в 27/00, опубл. 18.02.72.After that, the beam is then transferred to a fixed 5 and a moving 6 mirrors by about 90 °. The other movable mirror 7 again translates the partial beam 3 in such a way that the two partial beams 3 and 4 together form a similarity of a rectangle. Both partial beams 3 and 4 converge from opposite directions on the surface of the helical conductive layer 8, this layer being driven by mechanical means around an axis perpendicular to the plane of the drawing. When the mirrors 6 and 7 are rotated, around their axis, the spot of a given energy beam 3, respectively beam 4, shifts on the conductive layer 8 parallel to its axis of rotation. In order to obtain a dotted spot, the incidence of both partial beams 3, 4, spherical lenses 9, 10 are installed. They are accompanied by a dotted dot falling on the conductive layer 8 and a linear notch, described by partial rays of energy 3 and 4 on the conductive layer. The intensity of beams 3 and 4 is adjusted so that the material of layer 8 at a given drop site and only on it immediately evaporated as much as possible. As required, during the spiraling of the conductive layer, it is ensured that the latter, as well as the supporting core, does not heat up too much and that the conductive layer is kept in all places to which the rays of energy 3 and 4 cannot directly pass. Apparatus of the Invention A device for cutting a spiral groove on preforms of film resistors, comprising a laser, optical means for splitting a laser beam into two continuous partial beams in the form of an inclined semitransparent mirror, optical deflection means and means for focusing the beams on the surface of the resistor blank, including a system of moving and fixed mirrors, and mechanical means for rotating the resistor around its longitudinal axis, characterized in that, in order to ensure continuity The mirrors of the optical means for deflecting the split beams are set so that a moving mirror is positioned along one of the split beams, and a fixed and movable mirrors are sequentially arranged along the other, and the movable mirrors are installed with the possibility of rotation around the axes aligned with the directions of the beams, emanating from stationary mirrors, and ensuring that the rays hit the surface of the bungler; Sources of information taken into account when examining: 1. French application N 2090020, MKI G 02 in 27/00, publ. 02.18.72.
SU7301956704A 1972-08-04 1973-08-03 Device for cutting serpantine groove in film resistor blanks SU574174A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722238557 DE2238557C3 (en) 1972-08-04 Method and device for adjusting cylindrical sheet resistances

Publications (1)

Publication Number Publication Date
SU574174A3 true SU574174A3 (en) 1977-09-25

Family

ID=5852726

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7301956704A SU574174A3 (en) 1972-08-04 1973-08-03 Device for cutting serpantine groove in film resistor blanks

Country Status (13)

Country Link
JP (1) JPS4959257A (en)
AT (1) AT322675B (en)
BE (1) BE803194A (en)
BR (1) BR7305339D0 (en)
ES (1) ES417541A1 (en)
FR (1) FR2195041B1 (en)
GB (1) GB1440022A (en)
HU (1) HU169621B (en)
IT (1) IT992728B (en)
LU (1) LU66978A1 (en)
NL (1) NL7306267A (en)
SU (1) SU574174A3 (en)
ZA (1) ZA734894B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1060668A (en) * 1975-10-28 1979-08-21 Albert S. Ashmead Method of forming a knitting needle latch pivot
FR2679477B1 (en) * 1991-07-26 1995-11-17 Aerospatiale LASER BEAM CUTTING METHOD OF A MATERIAL COVERING A SUBSTRATE AND DEVICES FOR IMPLEMENTING SAME.

Also Published As

Publication number Publication date
BE803194A (en) 1973-12-03
HU169621B (en) 1976-12-28
BR7305339D0 (en) 1974-08-22
NL7306267A (en) 1974-02-06
FR2195041B1 (en) 1977-09-09
ES417541A1 (en) 1976-03-01
LU66978A1 (en) 1973-04-19
DE2238557B2 (en) 1976-07-08
GB1440022A (en) 1976-06-23
FR2195041A1 (en) 1974-03-01
ZA734894B (en) 1974-06-26
AT322675B (en) 1975-06-10
JPS4959257A (en) 1974-06-08
DE2238557A1 (en) 1974-02-21
IT992728B (en) 1975-09-30

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