Inverse lithography, a Common card

The card carries these facts from its Wikipedia article.

• It is basically an approach to solve an inverse imaging problem: to calculate the shapes of the openings in a photomask so that the passing light produces a good approximation of the desired pattern on the illuminated material, typically a photoresist.
• As such, it is treated as a mathematical optimization problem of a special kind, because usually an analytical solution does not exist.
• In conventional approaches known as optical proximity correction, a "target" shape is augmented with carefully tuned rectangles to produce a "Manhattan shape" for the "source", as shown in the illustration.

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Inverse lithography article was read about 2,900 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 37 and blocks with 16: each hit it takes is cut by 6 %.

Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.

The cards just above and just below Inverse lithography in the power ranking, all domains together.