A.B. Antilikatorov − Ph.D. (Eng.), Associate Professor,

Department of Design and Production of Radio Equipment,

Voronezh State Technical University (Voronezh, Russia)

E-mail: antilikatorov63@mail.ru

I.S. Bobylkin − Ph.D. (Eng.), Associate Professor,

Department of Design and Production of Radio Equipment,

Voronezh State Technical University (Voronezh, Russia)

E-mail: Bobylkin@bk.ru

E.E. Grinin − Post-graduate Student,

Department of Design and Production of Radio Equipment, 

Voronezh State Technical University (Voronezh, Russia)

E-mail: GrininEE@mail.ru

M.A. Grinina − Post-graduate Student,

Department of Design and Production of Radio Equipment, 

Voronezh State Technical University (Voronezh, Russia)

E-mail: mcherednikova6@gmail.com

V.M. Pitolin − Dr.Sc. (Eng.), Professor, 

Department of Electrical Engineering, Voronezh State Technical University (Voronezh, Russia) E-mail: pitol@mail.ru

There are problems of providing a reliable connection between the layers when forming interlayer signal pads of multilayer printed circuit boards. One of the aspects that interfere with obtaining a high-quality interlayer connection is the presence of inaccuracies in the positioning of interlayer holes that arise due to many factors. Among all factors, the following should be distinguished: the structure of the material, the axial runout of a high-speed spindle, the magnitude of the axial feed and the absence of a solid lubricant coating for the drill working area.

According to the results of the analysis of the literature, it was found that for different drill diameters, the most critical are different parameters. However, the most universal method of reducing the inaccuracy of the positioning of the drill is to apply a solid lubricant coating.

1. Litvak Ju. N., Panfilov Ju.V. Issledovanie processa sverlenija mikrorazmernyh otverstij pechatnyh plat. Nanoinzhenerija. 2013. № 5.  S. 3−7 (In Russian).
2. GOST R 53429-2009 Platy pechatnye. Osnovnye parametry konstrukcii. M.: Standartinform. 2010. 22 s. (In Russian).
3. Odnodvorcev M. Platy pechatnye. Sverlenie mikrootverstij. Tehnologii v jelektronnoj promyshlennosti. 2006. № 1. S. 32-39 (In Russian). 
4. Litvak Ju.N., Panfilov Ju.V. Issledovanie processa sverlenija mikrorazmernyh otverstij pechatnyh plat. Budushhee mashinostroenija Rossii. Sb. materialov V Vseross. nauchno-tehnich. konf. M. 2012. S. 133−134 (In Russian).
5. Granovskij G.I., Granovskij V.G. Rezanie metallov: Ucheb. dlja mashinostroitel'nyh i priborostroitel'nyh special'nyh vuzov. M.: Vysshaja shkola, 1985. 304 s. (In Russian).
6. Panov A.A. i dr. Obrabotka metallov rezaniem: Spravochnik tehnologa. Pod red. A.A. Panova. Izd. 2-e, pererab. i dop. M.: Mashinostroenie. 2004 (In Russian).
7. «Uprochnenie rezhushhego instrumenta, shtampovoj i litejnoj osnastki, uprochnenie melkorazmernyh tverdosplavnyh sverl, frez, volok i kalibrov» - informacionnyj listok ob uslugah kompanii «Perspektivnye tehnologii i materialy ot nauchnoj laboratorii JeTIPA». http://www.iofran.ru/10_2.htm (In Russian).